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306 MORE Vocabulary Words You Must Know for the SAT & ACT
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Building a strong vocabulary takes time, and there are always more useful words to learn. Our original 306 Vocabulary Words You Must Know for the SAT & ACT introduced students to essential vocabulary for understanding challenging passages, interpreting precise language, and navigating standardized tests with greater confidence.
This new collection, 306 MORE Vocabulary Words You Must Know for the SAT & ACT, builds on that foundation with 306 additional words. Together, the two lists provide students with 612 high-value vocabulary words to strengthen their reading, writing, and test-taking skills.
Reading Comprehension
The SAT and ACT require students to understand increasingly sophisticated texts across literature, history, social science, and science. A broader vocabulary helps you comprehend unfamiliar passages more efficiently, recognize subtle distinctions in meaning, and better understand an author's ideas, tone, and argument.
Words in Context
Knowing a word's definition is only part of vocabulary mastery. On the SAT and ACT, you must often determine which word most precisely fits the meaning and logic of a passage. Expanding your vocabulary helps you distinguish among words with similar but different meanings.
Writing and Language
Strong vocabulary also supports your ability to evaluate word choice and communicate ideas precisely. Understanding how words function in context can help you recognize clearer, more accurate, and more effective ways to express an idea.
Confidence
Every word you learn makes unfamiliar vocabulary less intimidating. By studying these 306 additional words alongside the original 306, you will be better prepared to encounter challenging language without allowing a single unfamiliar word to disrupt your understanding of an entire passage.
SAT & ACT Vocabulary Words Here are 306 more words you must know for the SAT and ACT:
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AbateVerb
To become less intense or to reduce in force
- Root
- abat- (lessen)
- Synonyms
- Diminish
- Antonyms
- Intensify
The winds began to abate after midnight, allowing crews to resume repairs.
AbolishVerb
To formally put an end to a system, practice, or institution
- Root
- abol- (destroy/end)
- Synonyms
- Eliminate
- Antonyms
- Establish
The reformers sought to abolish a rule that no longer served its original purpose.
AboundVerb
To exist in large numbers or quantities
- Root
- abund- (plenty)
- Synonyms
- Teem
- Antonyms
- Lack
Examples of the pattern abound in the later chapters of the study.
AbridgeVerb
To shorten a text without losing its essential meaning
- Root
- bridg-/brev- (shorten)
- Synonyms
- Condense
- Antonyms
- Expand
The editor abridged the memoir for publication while preserving its central argument.
AbstruseAdj.
Difficult to understand because of complexity or obscurity
- Root
- abstrus- (hidden)
- Synonyms
- Obscure
- Antonyms
- Clear
The article's abstruse terminology made the basic finding harder to recognize.
AcclaimNoun/Verb
Enthusiastic public praise; to praise publicly
- Root
- claim-/clam- (call out)
- Synonyms
- Praise
- Antonyms
- Condemn
The novel received critical acclaim for its inventive structure.
AccommodateVerb
To make room for, adapt to, or meet the needs of
- Root
- commod- (fit/convenient)
- Synonyms
- Adapt
- Antonyms
- Exclude
The revised model can accommodate several competing explanations.
AccreteVerb
To grow gradually by the addition of layers or material
- Root
- cret-/cresc- (grow)
- Synonyms
- Accumulate
- Antonyms
- Erode
Mineral deposits accrete slowly around the vent over many years.
AcquiesceVerb
To accept something reluctantly but without protest
- Root
- quiesc- (rest/quiet)
- Synonyms
- Consent
- Antonyms
- Resist
The committee acquiesced to the compromise after hours of debate.
AdroitAdj.
Skillful and clever, especially in handling a situation
- Root
- droit- (right/skillful)
- Synonyms
- Deft
- Antonyms
- Clumsy
Her adroit handling of the interview prevented the discussion from becoming hostile.
AestheticAdj./Noun
Concerned with beauty or artistic taste; a particular artistic style
- Root
- aesthet- (perception)
- Synonyms
- Artistic
- Antonyms
- Unattractive
The architect favored an aesthetic that emphasized simplicity and natural light.
AffinityNoun
A natural attraction, similarity, or connection
- Root
- affin- (related)
- Synonyms
- Liking
- Antonyms
- Aversion
The researcher noted an affinity between the two authors' approaches to narrative.
AffrontNoun/Verb
An action or remark that causes offense; to insult openly
- Root
- front- (face/confront)
- Synonyms
- Insult
- Antonyms
- Compliment
The decision was viewed as an affront to the community's long-standing traditions.
AggrandizeVerb
To increase the power, status, or importance of someone or something
- Root
- grand- (great)
- Synonyms
- Elevate
- Antonyms
- Diminish
Critics argued that the biography tried to aggrandize its subject beyond the evidence.
AggregationNoun
A collection or gathering of separate things into a whole
- Root
- greg- (group/flock)
- Synonyms
- Collection
- Antonyms
- Dispersion
The final dataset was an aggregation of records from twelve independent studies.
AlignVerb
To bring into agreement, coordination, or proper position
- Root
- line- (line)
- Synonyms
- Coordinate
- Antonyms
- Diverge
The new evidence aligns with the earlier interpretation of the inscription.
AlleviateVerb
To make pain, difficulty, or a problem less severe
- Root
- lev- (lighten)
- Synonyms
- Relieve
- Antonyms
- Aggravate
The policy was designed to alleviate the financial burden on small organizations.
AllocateVerb
To distribute resources or duties for a particular purpose
- Root
- loc- (place)
- Synonyms
- Assign
- Antonyms
- Withhold
The agency allocated additional funds to regions facing the greatest need.
AmassVerb
To gather or accumulate a large amount
- Root
- mass- (heap)
- Synonyms
- Accumulate
- Antonyms
- Disperse
Over decades, the archive amassed thousands of letters and photographs.
AmeliorateVerb
To make a bad or unsatisfactory situation better
- Root
- melior- (better)
- Synonyms
- Improve
- Antonyms
- Worsen
The intervention helped ameliorate the effects of prolonged drought.
AmenableAdj.
Open and responsive to suggestion; capable of being affected or treated
- Root
- amen- (pleasant/compliant)
- Synonyms
- Receptive
- Antonyms
- Resistant
The director was amenable to revising the plan after reviewing the new data.
AmorphousAdj.
Lacking a clearly defined shape, structure, or organization
- Root
- morph- (form)
- Synonyms
- Formless
- Antonyms
- Structured
The movement remained amorphous until its leaders adopted a formal platform.
AnalogousAdj.
Similar in a way that permits a useful comparison
- Root
- analog- (proportion/relation)
- Synonyms
- Comparable
- Antonyms
- Dissimilar
The author argues that the two historical episodes are analogous in several important respects.
AnathemaNoun
Something or someone intensely disliked or rejected
- Root
- anathem- (curse)
- Synonyms
- Abhorrence
- Antonyms
- Favorite
For the minimalist designer, unnecessary ornament was anathema.
AnnihilateVerb
To destroy completely
- Root
- nihil- (nothing)
- Synonyms
- Destroy
- Antonyms
- Preserve
The collision was powerful enough to annihilate the fragile structure.
AnomalousAdj.
Deviating from what is normal, standard, or expected
- Root
- nomal- (regular)
- Synonyms
- Abnormal
- Antonyms
- Typical
Researchers repeated the measurement because the first result was anomalous.
AnomalyNoun
Something that deviates from what is normal or expected
- Root
- nomal- (regular)
- Synonyms
- Irregularity
- Antonyms
- Norm
The unusually high reading appeared to be an anomaly rather than a lasting trend.
AntecedenceNoun
The condition of coming before something else in time or order
- Root
- ante- + ced- (before + go)
- Synonyms
- Priority
- Antonyms
- Succession
The scholar emphasized the antecedence of the earlier manuscript.
AnthropogenicAdj.
Caused or produced by human activity
- Root
- anthrop- + gen- (human + produce)
- Synonyms
- Human-caused
- Antonyms
- Natural
The study separates anthropogenic warming from changes caused by natural cycles.
ApathyNoun
Lack of interest, enthusiasm, or concern
- Root
- path- (feeling)
- Synonyms
- Indifference
- Antonyms
- Enthusiasm
Public apathy made it difficult for organizers to sustain the campaign.
AppraiseVerb
To assess the value, quality, or significance of something
- Root
- pris-/preti- (value)
- Synonyms
- Evaluate
- Antonyms
- Ignore
Experts appraised the artifact before the museum agreed to purchase it.
AppriseVerb
To inform or notify someone
- Root
- pris- (inform)
- Synonyms
- Inform
- Antonyms
- Conceal
The chair apprised the board of the new evidence before the vote.
ArcaneAdj.
Understood by few; mysterious or specialized
- Root
- arcan- (secret)
- Synonyms
- Esoteric
- Antonyms
- Familiar
The manual relied on arcane terminology known mainly to specialists.
ArchetypalAdj.
Representing a very typical or ideal example of a type
- Root
- arche- + typ- (original + model)
- Synonyms
- Quintessential
- Antonyms
- Atypical
The character is an archetypal trickster who disrupts social conventions.
AscribeVerb
To attribute something to a particular cause, source, or person
- Root
- scrib- (write/assign)
- Synonyms
- Attribute
- Antonyms
- Dissociate
The researchers ascribed the decline to a combination of environmental factors.
AssuageVerb
To make an unpleasant feeling or condition less intense
- Root
- suav-/saug- (soothe)
- Synonyms
- Soothe
- Antonyms
- Intensify
The additional evidence did little to assuage concerns about the study's reliability.
AssumingAdj.
Presumptuous or overly confident; also taking something as given
- Root
- sum- (take)
- Synonyms
- Presumptuous
- Antonyms
- Modest
His assuming tone suggested that he expected agreement without offering evidence.
AttenuateVerb
To reduce the force, effect, or intensity of something
- Root
- tenu- (thin)
- Synonyms
- Weaken
- Antonyms
- Amplify
Dense vegetation can attenuate noise from a nearby roadway.
AttestVerb
To provide evidence or testimony that something is true
- Root
- test- (witness)
- Synonyms
- Confirm
- Antonyms
- Deny
Several independent records attest to the settlement's early importance.
AttritionNoun
Gradual reduction or weakening through sustained pressure or loss
- Root
- trit- (rub/wear)
- Synonyms
- Erosion
- Antonyms
- Growth
The organization lost volunteers through steady attrition over several years.
AuthenticAdj.
Genuine; real and not copied or fabricated
- Root
- authent- (genuine)
- Synonyms
- Genuine
- Antonyms
- Fake
Experts concluded that the signature was authentic after comparing it with verified samples.
AuthoritativeAdj.
Reliable and commanding respect because of expertise or accuracy
- Root
- author- (source/originator)
- Synonyms
- Definitive
- Antonyms
- Unreliable
The review is considered an authoritative account of the field's early development.
BanalAdj.
So common or overused as to be unoriginal or boring
- Root
- ban- (commonplace)
- Synonyms
- Trite
- Antonyms
- Original
The critic dismissed the film's message as banal despite its impressive visuals.
BegrudgeVerb
To resent someone for having or receiving something
- Root
- grudge- (resentment)
- Synonyms
- Resent
- Antonyms
- Welcome
Few scholars would begrudge the researcher recognition for years of careful work.
BelieVerb
To give a false impression of or contradict
- Root
- lie- (false appearance)
- Synonyms
- Contradict
- Antonyms
- Confirm
The calm surface of the lake belied the strong current beneath it.
BenignAdj.
Gentle, harmless, or not threatening
- Root
- ben- (good)
- Synonyms
- Harmless
- Antonyms
- Harmful
What first appeared to be a serious defect proved to be benign.
BestowVerb
To give something as an honor, gift, or benefit
- Root
- stow- (place/give)
- Synonyms
- Grant
- Antonyms
- Withhold
The academy bestowed its highest award on the pioneering scientist.
BreadthNoun
Wide range, scope, or extent
- Root
- broad- (wide)
- Synonyms
- Scope
- Antonyms
- Narrowness
The breadth of the survey allowed the researchers to compare many regions.
BurgeoningAdj.
Growing or developing rapidly
- Root
- bourgeon- (bud/grow)
- Synonyms
- Expanding
- Antonyms
- Declining
A burgeoning body of evidence challenged the older theory.
CalibrateVerb
To adjust or check an instrument so that it measures accurately
- Root
- calibr- (measure)
- Synonyms
- Adjust
- Antonyms
- Misalign
Technicians calibrated the sensors before beginning the experiment.
CapaciousAdj.
Having a great deal of space or capacity
- Root
- cap- (hold)
- Synonyms
- Roomy
- Antonyms
- Cramped
The capacious archive can house millions of documents.
CapriciousAdj.
Changing suddenly and unpredictably
- Root
- capric- (whim)
- Synonyms
- Fickle
- Antonyms
- Consistent
The river's capricious course made permanent settlement difficult.
CasualAdj.
Done without much thought, formality, or concern; occasional
- Root
- cas- (chance)
- Synonyms
- Informal
- Antonyms
- Deliberate
A casual reading might miss the qualification in the final sentence.
CatalyzeVerb
To cause or accelerate a change or process
- Root
- catalys- (trigger)
- Synonyms
- Spur
- Antonyms
- Inhibit
The discovery helped catalyze a new wave of research.
CircumspectionNoun
Careful consideration of possible risks or consequences
- Root
- circum- + spect- (around + look)
- Synonyms
- Caution
- Antonyms
- Recklessness
The board approached the proposal with circumspection because the long-term costs were uncertain.
CiteVerb
To mention as evidence, authority, or an example
- Root
- cit- (summon/mention)
- Synonyms
- Reference
- Antonyms
- Omit
The author cites three recent studies in support of the claim.
ClandestineAdj.
Kept secret, especially because it is unauthorized
- Root
- clandestin- (secret)
- Synonyms
- Covert
- Antonyms
- Open
The group held clandestine meetings to avoid detection.
CoalesceVerb
To come together and form one whole
- Root
- coal-/alesc- (grow together)
- Synonyms
- Merge
- Antonyms
- Separate
Several small organizations coalesced into a single national coalition.
ColloquialismNoun
An informal word or expression used in ordinary conversation
- Root
- loqu- (speak)
- Synonyms
- Informalism
- Antonyms
- Formalism
The translator preserved the character's colloquialisms to maintain a conversational tone.
CommendVerb
To praise formally or strongly
- Root
- commend- (entrust/praise)
- Synonyms
- Praise
- Antonyms
- Criticize
Reviewers commended the study for its transparent methodology.
ComplacentAdj.
Too satisfied with oneself or a situation to recognize danger or need for change
- Root
- plac- (please)
- Synonyms
- Self-satisfied
- Antonyms
- Vigilant
Early success made the company complacent about emerging competitors.
ComplicateVerb
To make something more difficult, complex, or confusing
- Root
- plic- (fold)
- Synonyms
- Confound
- Antonyms
- Simplify
A second variable complicates the interpretation of the results.
ConflateVerb
To combine things that should remain distinct
- Root
- flat-/flar- (blend)
- Synonyms
- Merge
- Antonyms
- Distinguish
The argument conflates correlation with causation.
ConfoundedAdj.
Confused or perplexed; also disproved or defeated in expectation
- Root
- fund- (confuse)
- Synonyms
- Bewildered
- Antonyms
- Clear
Researchers were confounded by the unexpected pattern in the data.
ConjectureNoun/Verb
A conclusion or guess based on incomplete evidence; to make such a guess
- Root
- ject- (throw)
- Synonyms
- Speculation
- Antonyms
- Certainty
Without additional records, any claim about the author's intent remains conjecture.
ConsensusNoun
General agreement among members of a group
- Root
- sens- (feel/agree)
- Synonyms
- Agreement
- Antonyms
- Dissent
The panel reached a consensus after reviewing the evidence.
ConsonantAdj.
In agreement or harmony with
- Root
- son- (sound together)
- Synonyms
- Consistent
- Antonyms
- Incompatible
The new interpretation is consonant with the surviving archival evidence.
ConspicuousAdj.
Easily noticed or attracting attention
- Root
- spic-/spec- (look)
- Synonyms
- Noticeable
- Antonyms
- Inconspicuous
A conspicuous gap in the timeline raised questions about the account.
ContentiousAdj.
Likely to cause disagreement or argument
- Root
- tend-/tent- (strive)
- Synonyms
- Controversial
- Antonyms
- Harmonious
The committee postponed a vote on the most contentious proposal.
ContinuityNoun
Uninterrupted connection, sequence, or consistency
- Root
- continu- (unbroken)
- Synonyms
- Consistency
- Antonyms
- Disruption
The repeated imagery creates continuity across the novel's separate sections.
ContrivanceNoun
Something deliberately devised, especially in an artificial or clever way
- Root
- triv-/contriv- (devise)
- Synonyms
- Device
- Antonyms
- Spontaneity
The sudden coincidence felt like a narrative contrivance rather than a natural development.
ContrivedAdj.
Artificially created rather than natural or spontaneous
- Root
- contriv- (devise)
- Synonyms
- Artificial
- Antonyms
- Natural
The dialogue sounded contrived because no one would normally speak that way.
ConveneVerb
To come together or call people together for a meeting
- Root
- ven- (come)
- Synonyms
- Assemble
- Antonyms
- Disperse
The committee will convene next week to review the proposal.
ConvergenceNoun
The process of coming together or becoming more similar
- Root
- verg- (turn)
- Synonyms
- Merging
- Antonyms
- Divergence
The study documents a gradual convergence in the two regions' economic patterns.
CorollaryNoun
A proposition or result that follows naturally from another
- Root
- coroll- (following result)
- Synonyms
- Consequence
- Antonyms
- Premise
A corollary of the theory is that demand should decline as the price rises.
CorroborateVerb
To confirm or strengthen a claim with additional evidence
- Root
- robor- (strength)
- Synonyms
- Confirm
- Antonyms
- Contradict
Independent records corroborate the witness's account.
CounterfactualAdj./Noun
Relating to what did not happen but could be imagined as an alternative
- Root
- counter- + fact- (against fact)
- Synonyms
- Hypothetical
- Antonyms
- Factual
The historian considers a counterfactual scenario in which the treaty was never signed.
CounterintuitiveAdj.
Contrary to what one would naturally expect
- Root
- counter- + intuit- (against instinct)
- Synonyms
- Unexpected
- Antonyms
- Obvious
The price increase had the counterintuitive effect of increasing demand.
CredibleAdj.
Believable and worthy of trust
- Root
- cred- (believe)
- Synonyms
- Plausible
- Antonyms
- Implausible
The claim became more credible after independent researchers reproduced the result.
CrypticAdj.
Mysterious, obscure, or difficult to interpret
- Root
- crypt- (hidden)
- Synonyms
- Enigmatic
- Antonyms
- Explicit
The note was so cryptic that scholars disagreed about its meaning.
CulledVerb
Selected or gathered from a larger group
- Root
- cull- (select)
- Synonyms
- Selected
- Antonyms
- Included indiscriminately
The examples were culled from hundreds of archived letters.
CursoryAdj.
Done quickly and without close attention
- Root
- curs- (run)
- Synonyms
- Superficial
- Antonyms
- Thorough
A cursory inspection failed to reveal the flaw.
DearthNoun
A scarcity or lack of something
- Root
- dearth- (scarcity)
- Synonyms
- Shortage
- Antonyms
- Abundance
A dearth of reliable records makes the period difficult to study.
DecisiveAdj.
Settling an issue or producing a clear result
- Root
- cis- (cut/decide)
- Synonyms
- Conclusive
- Antonyms
- Indecisive
The final experiment provided decisive evidence against the older model.
DecoupleVerb
To separate things that were previously connected
- Root
- couple- (pair)
- Synonyms
- Separate
- Antonyms
- Link
The policy attempts to decouple economic growth from increased emissions.
DecryVerb
To publicly condemn or criticize strongly
- Root
- cry- (call out)
- Synonyms
- Denounce
- Antonyms
- Praise
Critics decried the proposal as unnecessarily restrictive.
DeferVerb
To postpone or to yield respectfully to another's judgment
- Root
- fer- (carry)
- Synonyms
- Postpone
- Antonyms
- Advance
The board chose to defer the decision until more evidence was available.
DenoteVerb
To indicate, signify, or stand for
- Root
- not- (mark)
- Synonyms
- Signify
- Antonyms
- Obscure
In the chart, darker shading denotes higher population density.
DesultoryAdj.
Lacking a clear plan, purpose, or sustained effort
- Root
- salt-/sult- (leap)
- Synonyms
- Aimless
- Antonyms
- Systematic
The discussion became desultory once the group lost sight of its central question.
DeterrentNoun/Adj.
Something that discourages an action; serving to discourage
- Root
- terr- (frighten)
- Synonyms
- Discouragement
- Antonyms
- Incentive
The high cost may act as a deterrent to participation.
DetractorNoun
A person who criticizes or disparages someone or something
- Root
- tract- (draw away)
- Synonyms
- Critic
- Antonyms
- Supporter
Even the policy's strongest detractors acknowledged that it addressed a real problem.
DetrimentalAdj.
Causing harm or damage
- Root
- detriment- (loss/harm)
- Synonyms
- Harmful
- Antonyms
- Beneficial
Excessive heat can be detrimental to seed development.
DiffusionNoun
The spreading of something from an area of greater concentration to a wider area
- Root
- fus- (pour)
- Synonyms
- Spread
- Antonyms
- Concentration
The paper traces the diffusion of the technology across neighboring regions.
DiminutionNoun
A reduction in size, importance, or intensity
- Root
- min- (small)
- Synonyms
- Decrease
- Antonyms
- Increase
The reform produced a gradual diminution in administrative costs.
DiminutiveAdj.
Very small; also a form indicating smallness
- Root
- min- (small)
- Synonyms
- Tiny
- Antonyms
- Large
The diminutive device was designed to fit inside a narrow cavity.
DiscerningAdj.
Showing good judgment and an ability to notice subtle differences
- Root
- cern- (separate/distinguish)
- Synonyms
- Perceptive
- Antonyms
- Undiscriminating
A discerning reader will notice the shift in tone near the end of the passage.
DiscrepancyNoun
A difference or inconsistency between things that should agree
- Root
- crep- (differ)
- Synonyms
- Inconsistency
- Antonyms
- Agreement
The auditors investigated a discrepancy between the two sets of figures.
DiscretionNoun
Careful judgment; freedom to decide how to act
- Root
- cret- (separate/decide)
- Synonyms
- Judgment
- Antonyms
- Indiscretion
The statute gives judges some discretion in determining the penalty.
DisingenuousAdj.
Not candid or sincere; pretending to know less than one does
- Root
- gener-/gen- (honest/noble, by usage)
- Synonyms
- Insincere
- Antonyms
- Candid
The claim that no one foresaw the problem struck reviewers as disingenuous.
DispassionateAdj.
Not influenced by strong emotion; impartial
- Root
- passion- (emotion)
- Synonyms
- Impartial
- Antonyms
- Emotional
The panel sought a dispassionate assessment of the competing proposals.
DispersedAdj./Verb
Spread over a wide area; scattered
- Root
- spers- (scatter)
- Synonyms
- Scattered
- Antonyms
- Concentrated
The population is dispersed across dozens of small settlements.
DisquietingAdj.
Causing worry, unease, or anxiety
- Root
- quiet- (calm)
- Synonyms
- Unsettling
- Antonyms
- Reassuring
The sudden decline in nesting sites was a disquieting sign.
DissonanceNoun
Lack of harmony or agreement; a clash between ideas, sounds, or beliefs
- Root
- son- (sound)
- Synonyms
- Discord
- Antonyms
- Harmony
The essay explores the dissonance between the policy's stated goals and its actual effects.
DistortVerb
To twist out of the true meaning, shape, or proportion
- Root
- tort- (twist)
- Synonyms
- Misrepresent
- Antonyms
- Clarify
A selective quotation can distort an author's original argument.
DogmaticAdj.
Asserting beliefs as unquestionably true and resisting alternatives
- Root
- dogmat- (doctrine)
- Synonyms
- Rigid
- Antonyms
- Open-minded
The critic rejected the theory's dogmatic insistence on a single explanation.
DurabilityNoun
The ability to withstand wear, pressure, or damage over time
- Root
- dur- (last)
- Synonyms
- Endurance
- Antonyms
- Fragility
Engineers tested the material's durability under repeated stress.
DwindlingAdj.
Gradually becoming smaller or fewer
- Root
- dwindl- (shrink)
- Synonyms
- Declining
- Antonyms
- Growing
The species survives in a dwindling number of habitats.
EclipseVerb/Noun
To overshadow or surpass; an obscuring of one body by another
- Root
- eclips- (leave out/obscure)
- Synonyms
- Overshadow
- Antonyms
- Highlight
The later discovery eclipsed the earlier finding in public attention.
EffaceVerb
To erase, remove, or make less noticeable
- Root
- fac- (face)
- Synonyms
- Erase
- Antonyms
- Preserve
Weathering had effaced much of the inscription from the stone.
EfficacyNoun
The ability to produce the intended result
- Root
- fac- (do/make)
- Synonyms
- Effectiveness
- Antonyms
- Ineffectiveness
The trial was designed to measure the treatment's efficacy.
ElicitVerb
To draw out or bring forth a response or information
- Root
- lic-/licit- (draw out)
- Synonyms
- Evoke
- Antonyms
- Suppress
The interview questions were designed to elicit detailed responses.
ElideVerb
To omit, suppress, or pass over something
- Root
- lid-/laed- (strike out)
- Synonyms
- Omit
- Antonyms
- Include
The summary elides several qualifications that are central to the original argument.
EmanateVerb
To come or flow out from a source
- Root
- man- (flow)
- Synonyms
- Radiate
- Antonyms
- Converge
A faint odor appeared to emanate from the damaged container.
EmbellishedAdj./Verb
Decorated with extra details; made more elaborate, sometimes by exaggeration
- Root
- bell- (beautify)
- Synonyms
- Ornamented
- Antonyms
- Plain
The later account was embellished with dramatic details absent from earlier records.
EmblematicAdj.
Serving as a symbol or typical example of something
- Root
- emblem- (symbol)
- Synonyms
- Symbolic
- Antonyms
- Unrepresentative
The building became emblematic of the city's industrial transformation.
EmergenceNoun
The process of coming into existence or becoming visible
- Root
- merg- (rise from)
- Synonyms
- Appearance
- Antonyms
- Disappearance
The study traces the emergence of a new literary form.
EmissaryNoun
A person sent on a special mission, especially as a representative
- Root
- miss- (send)
- Synonyms
- Envoy
- Antonyms
- Recipient
The ruler sent an emissary to negotiate a temporary peace.
EmulateVerb
To imitate with the aim of matching or surpassing
- Root
- emul- (rival)
- Synonyms
- Imitate
- Antonyms
- Differ
Younger architects sought to emulate the simplicity of the earlier design.
EncompassVerb
To include or surround a wide range of things
- Root
- camp-/compass- (circle)
- Synonyms
- Include
- Antonyms
- Exclude
The review encompasses research from biology, economics, and psychology.
EndearingAdj.
Inspiring affection or warm regard
- Root
- dear- (beloved)
- Synonyms
- Charming
- Antonyms
- Off-putting
Her willingness to admit mistakes made the narrator surprisingly endearing.
EngenderVerb
To cause or give rise to a feeling, condition, or situation
- Root
- gen- (produce)
- Synonyms
- Generate
- Antonyms
- Prevent
The policy change may engender greater trust in the institution.
EntanglementNoun
A complicated involvement or condition of being intertwined
- Root
- tang- (touch)
- Synonyms
- Complication
- Antonyms
- Separation
The novel portrays the political entanglement of several powerful families.
EnticeVerb
To attract or tempt by offering something appealing
- Root
- entic- (lure)
- Synonyms
- Lure
- Antonyms
- Repel
The lower fees were intended to entice more applicants.
EnumerateVerb
To list or count items one by one
- Root
- numer- (number)
- Synonyms
- List
- Antonyms
- Generalize
The report enumerates five factors that contributed to the decline.
EpitomizeVerb
To represent the perfect or most typical example of something
- Root
- epitom- (summary/example)
- Synonyms
- Exemplify
- Antonyms
- Contradict
The compact design came to epitomize the company's emphasis on efficiency.
EquivocalAdj.
Open to more than one interpretation; deliberately ambiguous
- Root
- equi- + voc- (equal + voice)
- Synonyms
- Ambiguous
- Antonyms
- Unequivocal
The witness gave an equivocal response that neither confirmed nor denied the allegation.
EschewVerb
To deliberately avoid or refrain from
- Root
- eschiv- (avoid)
- Synonyms
- Avoid
- Antonyms
- Embrace
The author eschews technical jargon in favor of direct language.
EsotericAdj.
Intended for or understood by a small group with specialized knowledge
- Root
- esoter- (inner)
- Synonyms
- Arcane
- Antonyms
- Accessible
The article explains an esoteric debate in terms a general reader can follow.
EvinceVerb
To show or reveal clearly
- Root
- vinc-/vin- (show/conquer, by usage)
- Synonyms
- Display
- Antonyms
- Conceal
The letters evince a growing concern about the project's cost.
ExacerbateVerb
To make a problem or negative condition worse
- Root
- acerb- (harsh)
- Synonyms
- Aggravate
- Antonyms
- Alleviate
Drought conditions could exacerbate the region's water shortage.
ExciseVerb
To cut out or remove
- Root
- cis- (cut)
- Synonyms
- Remove
- Antonyms
- Insert
The editor excised several repetitive paragraphs from the final draft.
ExhaustiveAdj.
Thorough and complete, considering all relevant elements
- Root
- haust- (draw out)
- Synonyms
- Comprehensive
- Antonyms
- Partial
The team conducted an exhaustive review of the surviving records.
ExorbitantAdj.
Unreasonably or excessively high
- Root
- orbit- (track/bound)
- Synonyms
- Excessive
- Antonyms
- Reasonable
The exorbitant cost prevented many small schools from adopting the technology.
ExpansiveAdj.
Covering a wide area or range; broad in scope
- Root
- pand- (spread)
- Synonyms
- Broad
- Antonyms
- Narrow
The book offers an expansive account of the movement's international influence.
ExpediteVerb
To make a process happen more quickly or efficiently
- Root
- ped- (foot)
- Synonyms
- Accelerate
- Antonyms
- Delay
The agency simplified the application to expedite emergency funding.
ExploitVerb
To make full use of a resource or opportunity, sometimes unfairly
- Root
- ploit-/plic- (unfold/use)
- Synonyms
- Utilize
- Antonyms
- Neglect
The researchers exploited a rare archive to test the hypothesis.
ExpoundVerb
To explain or present an idea in detail
- Root
- pon-/pound- (put forth)
- Synonyms
- Explain
- Antonyms
- Obscure
The lecturer expounded on the theory before presenting the evidence.
ExtemporaneousAdj.
Spoken or done with little or no advance preparation
- Root
- tempor- (time)
- Synonyms
- Impromptu
- Antonyms
- Rehearsed
Her extemporaneous remarks were clearer than the prepared statement.
ExtensibilityNoun
The capacity to be extended, expanded, or adapted
- Root
- tens- (stretch)
- Synonyms
- Expandability
- Antonyms
- Rigidity
The software's extensibility allows new tools to be added without redesigning the core system.
ExtolVerb
To praise highly and enthusiastically
- Root
- tol-/toll- (raise)
- Synonyms
- Praise
- Antonyms
- Denounce
Reviewers extolled the novel's precise and economical prose.
ExtraneousAdj.
Irrelevant or unrelated to the matter being considered; unnecessary
- Root
- extra- (outside)
- Synonyms
- Irrelevant
- Antonyms
- Pertinent
The editor removed extraneous details that distracted from the main claim.
ExtrapolateVerb
To infer or estimate beyond known data using an observed pattern
- Root
- pol-/lat- (extend beyond)
- Synonyms
- Project
- Antonyms
- Observe directly
Researchers cautioned against extrapolating the results to populations not included in the study.
FeasibleAdj.
Possible and practical to accomplish
- Root
- fac- (do/make)
- Synonyms
- Practicable
- Antonyms
- Impossible
The engineers concluded that the proposed redesign was technically feasible.
FecundAdj.
Fertile or highly productive, especially in producing ideas or offspring
- Root
- fecund- (fruitful)
- Synonyms
- Prolific
- Antonyms
- Barren
The period was unusually fecund, producing several influential artistic movements.
FomentVerb
To stir up or encourage the development of conflict, unrest, or a condition
- Root
- foment- (warm)
- Synonyms
- Incite
- Antonyms
- Quell
The inflammatory pamphlets helped foment public unrest.
ForegroundVerb/Noun
To emphasize or make prominent; the part of a scene nearest the viewer
- Root
- fore- + ground
- Synonyms
- Highlight
- Antonyms
- Background
The essay foregrounds economic causes rather than political personalities.
ForesightNoun
The ability to anticipate what may happen and plan accordingly
- Root
- fore- + sight
- Synonyms
- Prudence
- Antonyms
- Shortsightedness
The city's investment showed considerable foresight as demand later increased.
ForestallVerb
To prevent or delay something by acting in advance
- Root
- fore- + stall
- Synonyms
- Preempt
- Antonyms
- Permit
Officials introduced temporary measures to forestall a larger crisis.
ForsakeVerb
To abandon or give up something valued or previously followed
- Root
- forsak- (abandon)
- Synonyms
- Abandon
- Antonyms
- Retain
The movement refused to forsake its core principles for short-term popularity.
FosterVerb
To encourage or promote the development of something
- Root
- foster- (nurture)
- Synonyms
- Encourage
- Antonyms
- Stifle
The program was designed to foster collaboration among researchers.
FraudulentAdj.
Intended to deceive, especially for unlawful gain
- Root
- fraud- (deceit)
- Synonyms
- Deceptive
- Antonyms
- Legitimate
Auditors identified several fraudulent transactions in the account.
GrudginglyAdverb
In a reluctant or resentful manner
- Root
- grudge- (resent)
- Synonyms
- Reluctantly
- Antonyms
- Willingly
Even the critic grudgingly acknowledged the strength of the new evidence.
HabituateVerb
To make accustomed to something through repeated exposure
- Root
- habit- (custom)
- Synonyms
- Accustom
- Antonyms
- Sensitize
Repeated exposure can habituate animals to the presence of researchers.
HallmarkNoun
A distinctive feature or characteristic
- Root
- hallmark- (quality mark)
- Synonyms
- Signature
- Antonyms
- Anomaly
Careful documentation is a hallmark of rigorous research.
HaltVerb/Noun
To stop; a stop or interruption
- Root
- halt- (stop)
- Synonyms
- Cease
- Antonyms
- Continue
The discovery forced the excavation to halt while experts assessed the site.
HaltingAdj.
Slow, hesitant, or interrupted in movement or speech
- Root
- halt- (stop)
- Synonyms
- Hesitant
- Antonyms
- Fluent
The witness gave a halting account of the event.
HamperVerb
To hinder or obstruct progress
- Root
- hamper- (restrain)
- Synonyms
- Impede
- Antonyms
- Facilitate
Limited access to records hampered the investigation.
HarbingerNoun
A sign or person that indicates the approach of something
- Root
- harbinger- (forerunner)
- Synonyms
- Forerunner
- Antonyms
- Aftermath
The early decline in rainfall may be a harbinger of more severe drought.
HeterogeneousAdj.
Made up of parts that differ in kind or character
- Root
- hetero- + gen- (different + kind)
- Synonyms
- Diverse
- Antonyms
- Homogeneous
The sample was heterogeneous, containing participants from many backgrounds.
HypothesizeVerb
To propose a tentative explanation that can be tested
- Root
- hypo- + thes- (under + place)
- Synonyms
- Theorize
- Antonyms
- Verify
The researchers hypothesized that temperature affected migration timing.
IconoclasmNoun
The rejection or challenging of established beliefs, traditions, or institutions
- Root
- icon- + clas- (image + break)
- Synonyms
- Nonconformity
- Antonyms
- Orthodoxy
The artist's iconoclasm unsettled critics who favored traditional forms.
IdiosyncraticAdj.
Peculiar or distinctive to an individual or thing
- Root
- idio- (one's own)
- Synonyms
- Distinctive
- Antonyms
- Conventional
The composer developed an idiosyncratic style that was difficult to imitate.
IdleAdj./Verb
Inactive or not in use; to spend time without productive activity
- Root
- idl- (inactive)
- Synonyms
- Inactive
- Antonyms
- Busy
The machinery remained idle during the inspection.
IllusoryAdj.
Based on an illusion; appearing real but not actually so
- Root
- illus- (deceive/play upon)
- Synonyms
- Deceptive
- Antonyms
- Real
The apparent agreement between the studies proved illusory after closer analysis.
ImbueVerb
To fill or inspire with a quality, feeling, or idea
- Root
- imbu- (soak)
- Synonyms
- Infuse
- Antonyms
- Drain
The narrator imbues the ordinary setting with a sense of mystery.
ImmoderateAdj.
Excessive or beyond reasonable limits
- Root
- moder- (measure)
- Synonyms
- Excessive
- Antonyms
- Moderate
The critic objected to the article's immoderate claims.
ImperativeAdj./Noun
Absolutely necessary or vitally important; an urgent command
- Root
- imper- (command)
- Synonyms
- Essential
- Antonyms
- Optional
It is imperative that the samples remain uncontaminated.
ImperiousAdj.
Arrogantly commanding or domineering
- Root
- imper- (command)
- Synonyms
- Domineering
- Antonyms
- Humble
The official's imperious manner discouraged open discussion.
ImposingAdj.
Impressive because of size, dignity, or appearance
- Root
- pos- (place)
- Synonyms
- Impressive
- Antonyms
- Unimpressive
The museum's imposing entrance was designed to convey civic importance.
ImpugnVerb
To challenge as false or call into question someone's honesty or motives
- Root
- pugn- (fight)
- Synonyms
- Challenge
- Antonyms
- Defend
The attorney attempted to impugn the witness's credibility.
InaneAdj.
Lacking sense, meaning, or substance; silly
- Root
- inan- (empty)
- Synonyms
- Senseless
- Antonyms
- Meaningful
The reviewer dismissed the slogan as inane.
InaugurateVerb
To formally begin or introduce something
- Root
- augur- (consecrate/begin)
- Synonyms
- Initiate
- Antonyms
- Terminate
The university inaugurated a new research center in the spring.
IncentiveNoun
Something that motivates or encourages a person to act
- Root
- cent-/cend- (set in motion)
- Synonyms
- Motivation
- Antonyms
- Deterrent
The grant provides an incentive for institutions to share their data.
IncongruousAdj.
Out of place or not in harmony with its surroundings
- Root
- congru- (agree/fit)
- Synonyms
- Incompatible
- Antonyms
- Congruous
The modern logo looked incongruous on the restored nineteenth-century facade.
IncredulityNoun
The state of being unwilling or unable to believe something
- Root
- cred- (believe)
- Synonyms
- Disbelief
- Antonyms
- Belief
The audience reacted with incredulity to the unsupported claim.
IncrementalAdj.
Occurring through a series of small additions or changes
- Root
- cresc-/crement- (grow)
- Synonyms
- Gradual
- Antonyms
- Sudden
The policy produced incremental improvements rather than an immediate transformation.
IndecipherableAdj.
Impossible or extremely difficult to read or understand
- Root
- cipher- (code)
- Synonyms
- Illegible
- Antonyms
- Readable
Water damage left several pages of the manuscript indecipherable.
IndexNoun/Verb
An indicator or measure; a list or system for locating information
- Root
- dic-/index- (point out)
- Synonyms
- Indicator
- Antonyms
- Concealment
The researchers used pollen diversity as an index of ecosystem health.
IndigenousAdj.
Originating or occurring naturally in a particular place; native
- Root
- gen- (birth/origin)
- Synonyms
- Native
- Antonyms
- Introduced
The project documents plants indigenous to the island.
IndoctrinateVerb
To teach someone to accept beliefs uncritically
- Root
- doctrin- (teaching)
- Synonyms
- Condition
- Antonyms
- Educate critically
The author warns that education should inform rather than indoctrinate.
IndolenceNoun
Habitual laziness or avoidance of activity
- Root
- dol-/indol- (inactive)
- Synonyms
- Laziness
- Antonyms
- Diligence
The essay criticizes the ruler's indolence during the crisis.
InduceVerb
To cause, bring about, or persuade someone to do something
- Root
- duc- (lead)
- Synonyms
- Cause
- Antonyms
- Prevent
The treatment may induce a temporary change in blood pressure.
InertiaNoun
Resistance to change in motion or, figuratively, to change in behavior
- Root
- iner- (inactive)
- Synonyms
- Stasis
- Antonyms
- Momentum
Institutional inertia slowed adoption of the new policy.
InestimableAdj.
Too great to be calculated or fully appreciated
- Root
- estim- (value)
- Synonyms
- Incalculable
- Antonyms
- Negligible
The archive is of inestimable value to historians.
InherentAdj.
Existing as a natural or essential part of something
- Root
- her- (stick)
- Synonyms
- Intrinsic
- Antonyms
- External
Some uncertainty is inherent in any long-term forecast.
InimicalAdj.
Hostile to or harmful to something
- Root
- inimic- (enemy)
- Synonyms
- Hostile
- Antonyms
- Favorable
The prolonged heat was inimical to the species' survival.
InsurmountableAdj.
Too great or difficult to be overcome
- Root
- mount- (rise)
- Synonyms
- Overwhelming
- Antonyms
- Surmountable
The obstacles were serious but not insurmountable.
IntercedeVerb
To intervene on behalf of another person or cause
- Root
- ced- (go between)
- Synonyms
- Intervene
- Antonyms
- Withdraw
A mediator interceded before the dispute escalated.
IntermingleVerb
To mix or blend together
- Root
- inter- + mingle
- Synonyms
- Mix
- Antonyms
- Separate
Historical fact and legend intermingle throughout the narrative.
IntransigentAdj.
Unwilling to change one's views or agree to compromise
- Root
- transig- (come to agreement)
- Synonyms
- Unyielding
- Antonyms
- Flexible
Negotiations stalled because both sides remained intransigent.
InureVerb
To accustom someone to something unpleasant so that it becomes easier to endure
- Root
- ur-/inur- (harden by use)
- Synonyms
- Accustom
- Antonyms
- Sensitize
Years of fieldwork had inured the team to harsh weather.
InvariableAdj.
Not changing; consistent and fixed
- Root
- vari- (change)
- Synonyms
- Constant
- Antonyms
- Variable
The ritual followed an invariable sequence each year.
InvokeVerb
To cite, appeal to, or call upon something as authority or support
- Root
- voc- (call)
- Synonyms
- Appeal to
- Antonyms
- Disregard
The attorney invoked a prior ruling to support the argument.
IrrefutableAdj.
Impossible to deny or disprove
- Root
- refut- (disprove)
- Synonyms
- Conclusive
- Antonyms
- Disputable
The newly discovered records provided irrefutable evidence of the transaction.
IrrespectiveAdj./Adverb
Without regard to; regardless of
- Root
- respect- (look back/consider)
- Synonyms
- Regardless
- Antonyms
- Dependent on
All applicants are evaluated by the same criteria irrespective of school size.
ItemizeVerb
To list individual items separately
- Root
- item- (particular)
- Synonyms
- Enumerate
- Antonyms
- Summarize
The invoice itemizes each service and its cost.
LambasteVerb
To criticize very harshly
- Root
- lambast- (beat/criticize)
- Synonyms
- Denounce
- Antonyms
- Praise
Reviewers lambasted the report for ignoring contradictory evidence.
LatitudeNoun
Freedom or scope to act, think, or vary; also angular distance north or south
- Root
- lat- (broad)
- Synonyms
- Leeway
- Antonyms
- Restriction
The guidelines give instructors considerable latitude in choosing examples.
MagnifyVerb
To make something appear larger or more important; to increase
- Root
- magn- (great)
- Synonyms
- Enlarge
- Antonyms
- Reduce
The lens magnifies details that are invisible to the unaided eye.
MalignVerb/Adj.
To speak harmful falsehoods about; harmful or evil in character
- Root
- mal- (bad)
- Synonyms
- Slander
- Antonyms
- Praise
The article unfairly maligned researchers whose conclusions it misunderstood.
ManifestAdj./Verb
Clear or obvious; to show or display plainly
- Root
- manu- + fest- (hand + make evident)
- Synonyms
- Evident
- Antonyms
- Hidden
The effects of the policy became manifest within a few months.
MaudlinAdj.
Overly sentimental or tearfully emotional
- Root
- Magdalene (sentimental association)
- Synonyms
- Sentimental
- Antonyms
- Unsentimental
The critic found the final scene maudlin rather than moving.
MisconstrueVerb
To interpret something incorrectly
- Root
- mis- + constru- (wrongly + build/interpret)
- Synonyms
- Misinterpret
- Antonyms
- Understand
Readers should not misconstrue the cautious conclusion as a rejection of the entire theory.
ModestyNoun
The quality of being unassuming about one's abilities or achievements
- Root
- modest- (measured)
- Synonyms
- Humility
- Antonyms
- Arrogance
Despite her major discovery, the scientist spoke about it with characteristic modesty.
ModulateVerb
To adjust or regulate the degree, intensity, or frequency of something
- Root
- modul- (measure)
- Synonyms
- Regulate
- Antonyms
- Intensify
The device automatically modulates its output as conditions change.
MonetizingVerb
Converting an asset, activity, or resource into a source of revenue
- Root
- monet- (money)
- Synonyms
- Commercializing
- Antonyms
- Giving away
The company began monetizing the platform through subscription fees.
MultifariousnessNoun
The quality of having many varied forms, elements, or aspects
- Root
- multi- + fari- (many + varied)
- Synonyms
- Diversity
- Antonyms
- Uniformity
The multifariousness of the archive makes simple classification difficult.
MutableAdj.
Liable or able to change
- Root
- mut- (change)
- Synonyms
- Changeable
- Antonyms
- Immutable
The coastline is a mutable landscape shaped by tides and storms.
MyriadAdj./Noun
Countless or extremely numerous; a very large number
- Root
- myriad- (ten thousand)
- Synonyms
- Countless
- Antonyms
- Few
The ecosystem supports a myriad of small organisms.
NeutralAdj.
Not supporting either side; without strong positive or negative character
- Root
- neutr- (neither)
- Synonyms
- Impartial
- Antonyms
- Biased
The moderator remained neutral throughout the debate.
NominalAdj.
Existing in name only; very small or token in amount
- Root
- nomin- (name)
- Synonyms
- Token
- Antonyms
- Substantial
The membership fee is nominal and covers only basic administrative costs.
NonchalanceNoun
Calm lack of concern or apparent indifference
- Root
- non- + chal- (not heated)
- Synonyms
- Indifference
- Antonyms
- Anxiety
His nonchalance during the emergency surprised the rest of the team.
NotionalAdj.
Existing mainly as an idea or concept rather than as something concrete
- Root
- not- (idea/knowledge)
- Synonyms
- Conceptual
- Antonyms
- Actual
The budget included a notional amount for expenses that had not yet been incurred.
NoveltyNoun
The quality of being new, unusual, or original
- Root
- nov- (new)
- Synonyms
- Originality
- Antonyms
- Familiarity
The device attracted attention because of its novelty rather than its practical value.
ObliqueAdj.
Indirect, not straightforward, or slanting
- Root
- obliqu- (slant)
- Synonyms
- Indirect
- Antonyms
- Direct
The essay makes only an oblique reference to the controversy.
ObtrusiveAdj.
Noticeable in an unwelcome or intrusive way
- Root
- trud-/trus- (push)
- Synonyms
- Intrusive
- Antonyms
- Unobtrusive
The large watermark was obtrusive and distracted from the image.
OccludedAdj./Verb
Blocked, closed off, or concealed from view
- Root
- clud- (close)
- Synonyms
- Blocked
- Antonyms
- Open
Dense clouds occluded the mountain from view.
OpaqueAdj.
Not transparent; difficult to understand or interpret
- Root
- opac- (dark)
- Synonyms
- Obscure
- Antonyms
- Transparent
The committee's opaque explanation raised more questions than it answered.
OrthodoxAdj.
Conforming to established or traditional beliefs or practices
- Root
- ortho- + dox- (correct + belief)
- Synonyms
- Conventional
- Antonyms
- Heterodox
The scholar challenged the orthodox interpretation of the poem.
OutmodedAdj.
No longer fashionable, useful, or appropriate
- Root
- mode- (fashion/method)
- Synonyms
- Obsolete
- Antonyms
- Current
The report argues that the old classification system is outmoded.
OutspokenAdj.
Frank and direct in expressing opinions
- Root
- speak- (express)
- Synonyms
- Forthright
- Antonyms
- Reserved
She became an outspoken critic of the policy.
OvershadowVerb
To make something seem less important, impressive, or noticeable
- Root
- over- + shadow
- Synonyms
- Eclipse
- Antonyms
- Highlight
The controversy overshadowed the study's more important findings.
PartitionNoun/Verb
A division into parts; to divide into separate sections
- Root
- part- (divide)
- Synonyms
- Division
- Antonyms
- Union
The treaty partitioned the territory into several administrative regions.
PerceptibleAdj.
Able to be noticed or detected
- Root
- cept-/cepti- (take/perceive)
- Synonyms
- Noticeable
- Antonyms
- Imperceptible
There was a perceptible shift in tone after the new evidence was introduced.
PermeabilityNoun
The degree to which a substance allows liquids or gases to pass through
- Root
- me- / perme- (pass through)
- Synonyms
- Porosity
- Antonyms
- Impermeability
Soil permeability affects how quickly water reaches the roots.
PerniciousAdj.
Having a harmful effect, especially in a gradual or subtle way
- Root
- nec-/nic- (harm)
- Synonyms
- Harmful
- Antonyms
- Beneficial
The author describes misinformation as a pernicious influence on public trust.
PertinentAdj.
Directly relevant to the matter being considered
- Root
- ten-/tin- (hold/relate)
- Synonyms
- Relevant
- Antonyms
- Irrelevant
The judge allowed only evidence pertinent to the specific charge.
PerturbationNoun
A disturbance or small change that alters a system
- Root
- turb- (disturb)
- Synonyms
- Disturbance
- Antonyms
- Stability
A slight perturbation in temperature changed the reaction rate.
PervadeVerb
To spread throughout every part of something
- Root
- vad- (go)
- Synonyms
- Permeate
- Antonyms
- Avoid
A sense of uncertainty pervades the final chapters of the novel.
PlacateVerb
To calm or satisfy someone who is angry or dissatisfied
- Root
- plac- (please)
- Synonyms
- Appease
- Antonyms
- Provoke
The company offered refunds to placate frustrated customers.
PolityNoun
An organized political community or form of government
- Root
- polit- (citizen/state)
- Synonyms
- State
- Antonyms
- Anarchy
The reform altered the relationship between local institutions and the wider polity.
PortendVerb
To indicate that something important or unpleasant is likely to happen
- Root
- tend-/tent- (stretch forward)
- Synonyms
- Foreshadow
- Antonyms
- Reassure
The sudden decline in pollinators may portend broader ecological problems.
PrecariousAdj.
Not securely held or established; dangerously uncertain
- Root
- prec- (entreat/uncertain)
- Synonyms
- Unstable
- Antonyms
- Secure
The species survives in a precarious habitat threatened by development.
PrecedeVerb
To come before something in time, order, or position
- Root
- ced- (go)
- Synonyms
- Antecede
- Antonyms
- Follow
A brief introduction precedes each chapter.
PrecipitationNoun
Water that falls from the atmosphere as rain, snow, sleet, or hail
- Root
- cipit-/capit- (fall headlong)
- Synonyms
- Rainfall
- Antonyms
- Aridity
Annual precipitation varies greatly across the region.
PrecludeVerb
To prevent something from happening or make it impossible
- Root
- clud- (close)
- Synonyms
- Prevent
- Antonyms
- Permit
The missing records preclude a definitive conclusion.
PrecursorNoun
A person, thing, or event that comes before and signals or leads to another
- Root
- curs- (run before)
- Synonyms
- Forerunner
- Antonyms
- Successor
The early device was a precursor to modern digital cameras.
PredilectionNoun
A strong preference or liking for something
- Root
- lect- (choose)
- Synonyms
- Preference
- Antonyms
- Aversion
The composer had a predilection for unusual rhythmic patterns.
PredispositionNoun
An existing tendency or susceptibility toward a condition or behavior
- Root
- pos- (place)
- Synonyms
- Inclination
- Antonyms
- Resistance
Genetic factors may create a predisposition to the disorder.
PreemptVerb
To act before another can, especially to prevent an anticipated event
- Root
- empt- (take)
- Synonyms
- Forestall
- Antonyms
- Allow
The agency acted to preempt a shortage by increasing supplies early.
PreliminaryAdj./Noun
Coming before the main action or serving as preparation
- Root
- limin- (threshold)
- Synonyms
- Introductory
- Antonyms
- Final
Preliminary results suggest that the effect is smaller than expected.
PremieringVerb
Being shown or performed publicly for the first time
- Root
- prim- (first)
- Synonyms
- Debuting
- Antonyms
- Withdrawing
The documentary is premiering at the festival next month.
PretentiousAdj.
Attempting to appear more important, sophisticated, or cultured than is justified
- Root
- tend-/tent- (stretch/claim)
- Synonyms
- Affected
- Antonyms
- Unassuming
The critic found the essay pretentious because its elaborate language obscured a simple idea.
PretextNoun
A stated reason used to hide the real reason for an action
- Root
- text- (weave/pretense)
- Synonyms
- Excuse
- Antonyms
- True motive
The inspection served as a pretext for closing the facility.
PrimacyNoun
The state of being first in importance, rank, or time
- Root
- prim- (first)
- Synonyms
- Preeminence
- Antonyms
- Subordination
The article argues for the primacy of direct evidence over speculation.
ProfusionNoun
An abundant or excessive quantity of something
- Root
- fus- (pour)
- Synonyms
- Abundance
- Antonyms
- Scarcity
The meadow contained a profusion of wildflowers after the rains.
ProtractVerb
To prolong or extend in time
- Root
- tract- (draw)
- Synonyms
- Prolong
- Antonyms
- Shorten
Further procedural disputes could protract the negotiations for months.
ProvokeVerb
To cause a reaction, especially anger, thought, or action
- Root
- voc-/provoc- (call forth)
- Synonyms
- Incite
- Antonyms
- Soothe
The unexpected result provoked renewed debate among researchers.
ProxyNoun
A person or thing acting in place of another; an indirect measure used as a substitute
- Root
- prox- (near/substitute)
- Synonyms
- Substitute
- Antonyms
- Principal
Tree-ring width can serve as a proxy for past climate conditions.
PrudentAdj.
Showing careful judgment and concern for future consequences
- Root
- prud- (foresee)
- Synonyms
- Wise
- Antonyms
- Reckless
Given the uncertainty, the committee took the prudent step of delaying the decision.
QuintessentialAdj.
Representing the most perfect or typical example of a quality or class
- Root
- quint- + essent- (fifth + essence)
- Synonyms
- Archetypal
- Antonyms
- Atypical
The small café is a quintessential example of the neighborhood's character.
QuotidianAdj.
Ordinary, everyday, or occurring daily
- Root
- quotid- (daily)
- Synonyms
- Mundane
- Antonyms
- Extraordinary
The novelist transforms quotidian routines into moments of significance.
RecapitulateVerb
To summarize or restate the main points
- Root
- capit- (head/chapter)
- Synonyms
- Summarize
- Antonyms
- Elaborate
The conclusion recapitulates the study's three central findings.
ReciprocityNoun
Mutual exchange in which each side gives or responds in return
- Root
- reciproc- (back and forth)
- Synonyms
- Mutuality
- Antonyms
- One-sidedness
The agreement depends on reciprocity between the two institutions.
ReconcileVerb
To make compatible, restore agreement, or resolve apparent differences
- Root
- concili- (bring together)
- Synonyms
- Harmonize
- Antonyms
- Alienate
The new theory attempts to reconcile two seemingly conflicting sets of evidence.
RectifyVerb
To correct something that is wrong or inaccurate
- Root
- rect- (straight/right)
- Synonyms
- Correct
- Antonyms
- Worsen
The researchers rectified the coding error before analyzing the data again.
RedundancyNoun
Unnecessary repetition or duplication; a backup element that improves reliability
- Root
- und-/redund- (overflow)
- Synonyms
- Duplication
- Antonyms
- Necessity
The editor removed redundancy from the final paragraph.
RegaleVerb
To entertain someone with stories, conversation, or lavish attention
- Root
- regal- (entertain)
- Synonyms
- Entertain
- Antonyms
- Bore
The historian regaled the audience with stories from the expedition.
ReiterateVerb
To say or do something again, often for emphasis
- Root
- iter- (again)
- Synonyms
- Repeat
- Antonyms
- Retract
The report reiterates the need for additional evidence.
RepertoryNoun
A stock or collection of works, skills, or items available for use
- Root
- repert- (find/store)
- Synonyms
- Repertoire
- Antonyms
- Scarcity
The theater's repertory includes both classical and contemporary plays.
ReprisalNoun
An act of retaliation in response to an injury or offense
- Root
- pris- (take back)
- Synonyms
- Retaliation
- Antonyms
- Forgiveness
Officials feared that the sanction would trigger a reprisal.
RepudiatedVerb
Formally rejected, denied, or disowned
- Root
- repudi- (reject)
- Synonyms
- Rejected
- Antonyms
- Accepted
The organization repudiated the earlier statement after new evidence emerged.
ResoluteAdj.
Firmly determined and unwavering
- Root
- solut-/solv- (loosen/resolve)
- Synonyms
- Determined
- Antonyms
- Wavering
She remained resolute despite repeated pressure to abandon the project.
RestitutionNoun
The restoration of something lost or stolen, or compensation for loss
- Root
- stitu- (set/restore)
- Synonyms
- Compensation
- Antonyms
- Deprivation
The settlement required restitution to the communities that had lost the artifacts.
RetrospectNoun
A review or consideration of past events
- Root
- retro- + spect- (back + look)
- Synonyms
- Hindsight
- Antonyms
- Foresight
In retrospect, the early warning signs were easier to recognize.
RigorNoun
Strictness, precision, and thoroughness in thought or method
- Root
- rig- (stiff/strict)
- Synonyms
- Precision
- Antonyms
- Laxity
The study was praised for its methodological rigor.
SanctionNoun/Verb
Official permission or approval; also a penalty imposed to enforce a rule
- Root
- sanct- (make sacred/authorize)
- Synonyms
- Authorize
- Antonyms
- Forbid
The agency would not sanction the project until safety concerns were addressed.
SatirizeVerb
To use humor, irony, or exaggeration to criticize
- Root
- satir- (satire)
- Synonyms
- Mock
- Antonyms
- Praise
The novel satirizes the social pretensions of the wealthy.
ScarcelyAdverb
Barely; only just; hardly
- Root
- scarce- (few)
- Synonyms
- Barely
- Antonyms
- Abundantly
The two versions are scarcely distinguishable without close inspection.
SentimentalAdj.
Strongly influenced by tender, nostalgic, or emotional feelings
- Root
- sent- (feel)
- Synonyms
- Emotional
- Antonyms
- Unsentimental
The memoir is reflective without becoming overly sentimental.
SituateVerb
To place something in a particular physical, historical, or conceptual context
- Root
- situ- (place)
- Synonyms
- Locate
- Antonyms
- Displace
The introduction situates the debate within its broader historical context.
SophistNoun
A person who uses clever but misleading arguments; historically, a teacher of rhetoric
- Root
- soph- (wisdom)
- Synonyms
- Quibbler
- Antonyms
- Truth-seeker
The critic accused the speaker of arguing like a sophist rather than addressing the evidence.
SophisticatedAdj.
Complex, refined, or highly developed
- Root
- soph- (wisdom)
- Synonyms
- Advanced
- Antonyms
- Rudimentary
The model uses a sophisticated method to account for missing data.
SporadicAdj.
Occurring at irregular intervals or in scattered instances
- Root
- sporad- (scattered)
- Synonyms
- Intermittent
- Antonyms
- Continuous
Reports of the phenomenon were sporadic rather than consistent.
StewardNoun/Verb
A person who manages or protects something entrusted to their care; to manage responsibly
- Root
- steward- (manager)
- Synonyms
- Custodian
- Antonyms
- Neglector
The curator viewed herself as a steward of the collection rather than its owner.
StipulateVerb
To specify a condition or requirement explicitly
- Root
- stipul- (condition)
- Synonyms
- Specify
- Antonyms
- Leave unspecified
The contract stipulates that all data must remain confidential.
SubdueVerb
To bring under control or reduce in intensity
- Root
- sub- + duc- (under + lead)
- Synonyms
- Suppress
- Antonyms
- Intensify
The medication helped subdue the inflammatory response.
SubordinateAdj./Verb
Lower in rank or importance; to place in a lower position
- Root
- ordin- (order/rank)
- Synonyms
- Secondary
- Antonyms
- Dominant
The author treats economic factors as subordinate to political ones.
SubstantiateVerb
To support a claim with evidence or proof
- Root
- stant- (stand)
- Synonyms
- Corroborate
- Antonyms
- Refute
The researchers needed additional data to substantiate their conclusion.
SubsumeVerb
To include or absorb something within a broader category
- Root
- sum- (take/include)
- Synonyms
- Include
- Antonyms
- Separate
The classification subsumes several related species under one larger group.
SubtletyNoun
A fine distinction, delicate quality, or complexity that may be difficult to notice
- Root
- subtil- (fine)
- Synonyms
- Nuance
- Antonyms
- Obviousness
The translation preserves the subtlety of the original metaphor.
SuccessionNoun
A sequence in which one person, thing, or event follows another
- Root
- ced-/cess- (go)
- Synonyms
- Sequence
- Antonyms
- Interruption
A succession of storms delayed the expedition.
SuperfluousAdj.
More than is needed; unnecessary
- Root
- flu- (flow)
- Synonyms
- Unnecessary
- Antonyms
- Essential
The editor removed several superfluous examples from the paragraph.
SupersedeVerb
To replace something that is older, less effective, or no longer used
- Root
- sed- (sit)
- Synonyms
- Replace
- Antonyms
- Retain
The new standard will supersede the earlier guideline.
SupplantVerb
To take the place of something or someone, often by force or through competition
- Root
- plant- (place)
- Synonyms
- Replace
- Antonyms
- Preserve
Digital records gradually supplanted paper files.
SurmountVerb
To overcome a difficulty or rise above an obstacle
- Root
- mount- (rise)
- Synonyms
- Overcome
- Antonyms
- Succumb to
The team surmounted several technical obstacles before completing the project.
SynopsisNoun
A brief summary of the main points of a work
- Root
- syn- + ops- (together + view)
- Synonyms
- Summary
- Antonyms
- Full account
The proposal begins with a one-page synopsis of the research plan.
SynthesisNoun
The combination of separate ideas or elements into a coherent whole
- Root
- syn- + thes- (together + put)
- Synonyms
- Integration
- Antonyms
- Separation
The article offers a synthesis of findings from several disciplines.
TantamountAdj.
Equivalent in effect, value, or seriousness to something else
- Root
- tant- (so much)
- Synonyms
- Equivalent
- Antonyms
- Different
Ignoring the warning would be tantamount to accepting the risk.
TentativeAdj.
Not certain or final; provisional
- Root
- tent- (try/test)
- Synonyms
- Provisional
- Antonyms
- Definitive
The researchers offered a tentative explanation pending further study.
TestamentNoun
Evidence or proof of a fact, quality, or condition
- Root
- test- (witness)
- Synonyms
- Evidence
- Antonyms
- Refutation
The building's survival is a testament to the durability of its design.
TransposeVerb
To change the position or order of two or more things
- Root
- pos- (place)
- Synonyms
- Rearrange
- Antonyms
- Retain
The editor accidentally transposed two figures in the table.
TruncateVerb
To shorten by cutting off a part
- Root
- trunc- (cut off)
- Synonyms
- Shorten
- Antonyms
- Extend
The display truncates long titles to fit the available space.
UnambiguousAdj.
Clear and having only one reasonable interpretation
- Root
- ambigu- (uncertain)
- Synonyms
- Clear
- Antonyms
- Ambiguous
The instructions were unambiguous about the submission deadline.
UnderpinnedVerb
Supported or formed the basis of something
- Root
- pin- (support)
- Synonyms
- Supported
- Antonyms
- Undermined
A large body of evidence underpinned the policy recommendation.
UnfoundedAdj.
Not supported by evidence or fact
- Root
- found- (base)
- Synonyms
- Baseless
- Antonyms
- Substantiated
The investigation concluded that the allegation was unfounded.
UniversalAdj.
Applying to all cases, people, or things within a category
- Root
- univers- (whole)
- Synonyms
- General
- Antonyms
- Limited
The pattern is common but not universal across all species.
UnnervedAdj./Verb
Made anxious, unsettled, or less confident
- Root
- nerve- (courage)
- Synonyms
- Unsettled
- Antonyms
- Reassured
The unexpected question unnerved the otherwise confident speaker.
UnsubstantiatedAdj.
Not supported by evidence or proof
- Root
- stant- (stand)
- Synonyms
- Unsupported
- Antonyms
- Verified
The article repeated an unsubstantiated claim from an anonymous source.
UnsympatheticAdj.
Not showing understanding, support, or favorable feeling
- Root
- path- (feeling)
- Synonyms
- Uncompassionate
- Antonyms
- Sympathetic
The review was unsympathetic to arguments that lacked evidence.
UntenableAdj.
Unable to be defended, maintained, or justified
- Root
- ten- (hold)
- Synonyms
- Indefensible
- Antonyms
- Defensible
Once the contradictory data emerged, the original explanation became untenable.
UtilitarianAdj.
Designed mainly for practical use rather than beauty; relating to utility
- Root
- util- (use)
- Synonyms
- Practical
- Antonyms
- Ornamental
The building's utilitarian design prioritized function over decoration.
VindictiveAdj.
Having a strong desire for revenge
- Root
- vind-/vindic- (avenge/claim)
- Synonyms
- Vengeful
- Antonyms
- Forgiving
The narrator's vindictive response seems disproportionate to the minor insult.
VisionaryAdj./Noun
Showing imaginative foresight; a person with original ideas about the future
- Root
- vis- (see)
- Synonyms
- Far-sighted
- Antonyms
- Shortsighted
The proposal was visionary in anticipating technologies that did not yet exist.
WroughtAdj./Verb
Worked, shaped, or produced with effort; past form of work in certain uses
- Root
- work-/wrought- (work)
- Synonyms
- Fashioned
- Antonyms
- Unworked
The intricate gate was wrought from iron by local artisans.
YieldVerb/Noun
To produce or provide a result; to give way under pressure
- Root
- yield- (give/produce)
- Synonyms
- Produce
- Antonyms
- Withhold
The experiment yielded results consistent with the earlier study.
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