SAT Prep

SAT Vocabulary List

120 high-frequency words organized by function — the way the Digital SAT actually tests them.

120
High-Frequency Words
8
Functional Categories
100%
In-Context Examples
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The Digital SAT tests words in context

Every vocabulary question embeds the word in a short passage. You must choose the meaning that fits that specific context.

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Focus on how words function, not isolated memorization

Understanding a word's connotation and part of speech is more valuable than memorizing a dictionary definition.

Jump to a Category

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Words About Analysis & Evaluation

Used when examining evidence, judging quality, or breaking down complex ideas.

scrutinizeverb

To examine or inspect closely and thoroughly.

The committee scrutinized each proposal before allocating research funding.

assessverb

To evaluate or estimate the nature, ability, or quality of something.

Educators must assess student comprehension through a variety of methods, not merely standardized tests.

critiqueverb / noun

To evaluate (something) in a detailed and analytical way; a detailed analysis and assessment.

The professor asked students to critique the methodology of three published studies.

evaluateverb

To form an idea of the amount, number, or value of something; to assess.

Scientists evaluate competing theories by weighing the strength of evidence each one predicts.

appraiseverb

To assess the value or quality of something after careful consideration.

The panel appraised the artwork not only by its technical execution but by its cultural significance.

analyzeverb

To examine methodically and in detail in order to explain or interpret.

Historians analyze primary sources to reconstruct the social conditions of past centuries.

examineverb

To inspect in detail; to investigate thoroughly.

The article examines the long-term economic consequences of deforestation in tropical regions.

investigateverb

To carry out a systematic inquiry into something; to examine systematically.

Researchers investigated whether early childhood bilingualism correlates with greater cognitive flexibility.

discernverb

To recognize or find out; to perceive or understand something that is not obvious.

Skilled readers can discern an author's implicit bias even when it is not stated outright.

interpretverb

To explain the meaning of; to understand or view in a particular way.

Different scholars interpret the same historical evidence in strikingly divergent ways.

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Words About Agreement & Support

Used when one piece of evidence backs up another, or when an author endorses a position.

corroborateverb

To confirm or support a statement, theory, or finding with additional evidence.

Multiple independent studies corroborate the claim that sleep deprivation impairs memory consolidation.

substantiateverb

To provide evidence to support or prove the truth of something.

The author failed to substantiate her central argument with sufficient empirical data.

validateverb

To demonstrate or support the truth or value of something.

Field trials validated the laboratory results, confirming the drug's effectiveness in real-world conditions.

affirmverb

To state emphatically or publicly; to offer emotional support or encouragement.

The court's ruling affirmed that individuals retain privacy rights even in semi-public spaces.

endorseverb

To declare one's public approval or support of something.

The scientific community largely endorses the consensus that human activity drives climate change.

bolsterverb

To support or strengthen; to reinforce.

New archaeological evidence bolsters the theory that trade routes extended further than previously thought.

reinforceverb

To strengthen or support, especially through additional evidence or argument.

The longitudinal data reinforced earlier findings on the benefits of early literacy intervention.

advocateverb / noun

To publicly recommend or support a cause or policy; one who does so.

The editorial advocates for increased investment in renewable energy infrastructure.

championverb

To vigorously support or defend a person, cause, or principle.

The researcher championed the idea that social factors, not genetics alone, shape intelligence.

espouseverb

To adopt or support a cause, belief, or way of life.

Few economists today espouse the strict laissez-faire policies popular in the nineteenth century.

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Words About Change & Development

Used to describe how ideas, organisms, societies, or situations transform over time.

evolveverb

To develop gradually, especially from a simple to a more complex form.

The novelist's style evolved significantly over the course of her career, moving from realism to magical realism.

transformverb

To make a thorough or dramatic change in the form, appearance, or character of something.

The industrial revolution transformed not only economies but also family structures and daily life.

alterverb

To change or cause to change in character or composition.

Rising sea levels have already begun to alter the geography of low-lying coastal regions.

modifyverb

To make partial or minor changes to something.

Scientists modified the original gene-editing protocol to reduce off-target effects.

reviseverb

To reconsider and alter something in light of new evidence or further thought.

Historians regularly revise their accounts as previously inaccessible archives become available.

adaptverb

To become adjusted to new conditions; to modify for a new purpose.

Species that adapt most rapidly to changing temperatures are most likely to survive climate shifts.

transitionverb / noun

To undergo or cause to undergo a process of change; the process or period of changing.

The economy is transitioning from fossil-fuel dependence toward renewable energy sources.

shiftverb / noun

To move or change from one position or direction to another; a change.

A paradigm shift in how scientists understand the microbiome has reshaped nutritional research.

fluctuateverb

To rise and fall irregularly in number or amount; to change continually.

Global temperatures fluctuate naturally, but the current rate of increase is unprecedented.

vacillateverb

To waver between different opinions or actions; to be indecisive.

The protagonist vacillates between loyalty to her family and her commitment to her principles.

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Words About Clarity & Understanding

Used when an author explains, defines, or makes complex ideas accessible.

elucidateverb

To make something clear; to explain and clarify.

The introduction elucidates the theoretical framework before the study's methodology is presented.

clarifyverb

To make a statement or situation less confused and more comprehensible.

The author clarifies the distinction between correlation and causation early in the argument.

illuminateverb

To help to clarify or explain; to shed light on a topic.

The case study illuminates the broader social forces at work in urban gentrification.

articulateverb / adjective

To express an idea clearly and effectively; having the ability to speak or write clearly.

The report articulates the policy implications of the study in language accessible to non-specialists.

conveyverb

To make an idea, impression, or feeling known or understandable to someone.

Metaphor allows poets to convey complex emotional states that resist direct description.

explicateverb

To analyze and develop an idea or principle in detail; to explain in detail.

The philosopher explicated the concept of categorical imperatives over the course of three lectures.

delineateverb

To describe or portray something precisely; to indicate the boundaries of something.

The contract delineates the responsibilities of each party to avoid future disputes.

demystifyverb

To make a subject less mysterious or difficult to understand.

The book aims to demystify quantum physics for general readers without oversimplifying the science.

comprehendverb

To grasp the nature, significance, or meaning of something; to understand fully.

Readers who comprehend an argument's underlying assumptions are better positioned to evaluate it critically.

perceiveverb

To become aware of or understand something; to interpret in a particular way.

How individuals perceive risk is shaped as much by cultural context as by statistical probability.

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Words About Opposition & Conflict

Used when an argument challenges, disputes, or weakens another claim.

contradictverb

To deny the truth of a statement by asserting the opposite; to be in conflict with.

The new data contradict the widely held assumption that economic growth always reduces inequality.

refuteverb

To prove a statement or theory to be wrong or false; to disprove decisively.

The experiment refuted the hypothesis by producing results that were the opposite of those predicted.

negateverb

To nullify or make ineffective; to deny the existence or truth of something.

The discovery of a single counterexample is sufficient to negate a universal claim.

counterverb

To speak or act in opposition to; to respond to an argument.

The author counters the opposing view by presenting statistical evidence the critics overlooked.

disputeverb

To argue about the truth or validity of something; to question or challenge.

Several researchers dispute the methodology used in the landmark 1990 study.

rebuffverb

To reject or refuse something in an abrupt or ungracious manner.

The scientific establishment initially rebuffed the unconventional theory, only to accept it decades later.

challengeverb

To question the truth, validity, or authority of something.

The findings challenge long-standing assumptions about the cognitive limitations of non-human primates.

contestverb

To compete for; to dispute or call into question.

Historians contest the traditional narrative that attributes the empire's fall to military defeat alone.

opposeverb

To be hostile or adverse to; to resist or combat.

Critics oppose the policy on grounds that it prioritizes economic growth over environmental sustainability.

undermineverb

To weaken or damage, especially by working gradually or insidiously.

The leaked documents undermined public confidence in the institution's commitment to transparency.

Words About Importance & Value

Used to signal that something is essential, foundational, or critically significant.

paramountadjective

More important than anything else; supreme.

Accurate data collection is of paramount importance in any scientific study.

pivotaladjective

Of crucial importance in relation to the development or success of something else.

The discovery of penicillin was a pivotal moment in the history of modern medicine.

crucialadjective

Decisively important; critical.

Early intervention is crucial for children with developmental language delays.

indispensableadjective

Absolutely necessary; essential.

Access to clean water is indispensable for public health in any society.

fundamentaladjective

Forming a necessary base or core; of central importance.

The right to free expression is fundamental to democratic governance.

seminaladjective

Strongly influencing later developments; highly original and important.

Darwin's On the Origin of Species is considered seminal in the development of modern biology.

integraladjective

Necessary to make a whole complete; essential or fundamental.

Community engagement is integral to the long-term success of urban renewal projects.

imperativeadjective / noun

Of vital importance; an essential or urgent thing.

It is imperative that policymakers act swiftly to address the growing housing shortage.

essentialadjective

Absolutely necessary; extremely important.

Critical thinking is an essential skill for navigating an information-saturated environment.

vitaladjective

Absolutely necessary or important; essential to the existence or success of something.

Biodiversity plays a vital role in maintaining ecosystem stability and resilience.

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Words About Limitation & Qualification

Used to acknowledge complexity, exceptions, or nuance in an argument.

albeitconjunction

Though; even though (used to introduce a concessive clause).

The treatment showed positive results, albeit in a small and non-representative sample.

notwithstandingpreposition / adverb

In spite of; nevertheless.

Notwithstanding the study's limitations, its findings warrant serious consideration.

nonethelessadverb

In spite of that; nevertheless.

The evidence is not conclusive; nonetheless, it points in a consistent direction.

qualifiedadjective

Not complete or absolute; limited in some way.

The scientist offered only qualified support for the hypothesis, citing several unanswered questions.

nuancedadjective

Characterized by subtle shades of meaning or expression; not simple or straightforward.

A nuanced reading of the poem reveals layers of irony that a surface interpretation misses.

temperedadjective

Made less intense or extreme; moderated.

His enthusiasm for the new policy was tempered by concern about its implementation costs.

mitigatedadjective

Made less severe, serious, or painful; lessened.

The negative effects of the drought were somewhat mitigated by government relief programs.

contingentadjective

Dependent on something else that may or may not occur; subject to chance.

The success of the project is contingent on securing sufficient funding by the end of the quarter.

conditionaladjective

Subject to one or more conditions or requirements being met.

The board gave conditional approval, requiring the team to address three specific concerns first.

tentativeadjective

Not certain or fixed; provisional; done without confidence.

The researchers drew only tentative conclusions, acknowledging that more data were needed.

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Words About Evidence & Reasoning

Used in academic arguments to describe logical structures, claims, and logical moves.

premisenoun

A previous statement or proposition from which another is inferred or follows.

The argument's conclusion only holds if one accepts its central premise about human rationality.

inferencenoun

A conclusion reached on the basis of evidence and reasoning.

The inference that rising CO₂ causes warming is supported by multiple independent lines of evidence.

conjecturenoun / verb

An opinion formed without proof; to form an opinion without sufficient evidence.

Without direct historical records, any account of the ceremony remains conjecture.

hypothesisnoun

A proposed explanation based on limited evidence, used as a starting point for investigation.

The hypothesis that microplastics accumulate in the food chain requires controlled experimental testing.

assertionnoun

A confident and forceful statement of fact or belief.

The journalist's assertion that corruption was systemic prompted an independent inquiry.

claimnoun / verb

A statement asserting something as true; to state as a fact.

The author's central claim — that urbanization drives linguistic change — is well supported by the data.

contentionnoun

A heated disagreement; an assertion put forward as an argument.

It is the author's contention that environmental policy fails when economic incentives are ignored.

postulateverb / noun

To suggest or assume the existence of something as a basis for reasoning; such an assumption.

Einstein postulated the equivalence of mass and energy before experimental verification was possible.

deductionnoun

The process of reaching a conclusion by reasoning from general principles to specific cases.

Through deduction, the detective established that only three people could have been present at the time.

implicationnoun

A conclusion that can be drawn from something even though it is not explicitly stated.

The study's implication that screen time affects sleep quality has significant policy implications for schools.

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