SAT Vocabulary

SAT Vocabulary in Context: 300+ Words by Passage Type

The Digital SAT tests vocabulary exclusively through context — students must use surrounding sentences to determine meaning. This reference organizes 300+ high-frequency words by the passage type in which they commonly appear, with SAT-style context examples and trap meanings.

300+ words · 6 categories · Context examples · Trap meanings

Take a Free SAT Practice Exam →SAT Top 100 Words Grammar & Rhetoric Terms

How the Digital SAT tests vocabulary:

The Digital SAT does not test vocabulary in isolation. Every vocabulary question appears in a reading context — a sentence or short passage with a blank. Students must choose the word that best fits the meaning of the full passage, not just the blank sentence. This means:

The "obvious" or most common meaning of a word is often wrong
Words are tested for their precise connotations, not just their rough meanings
Knowing a word's secondary or less familiar meanings is essential
Passage type provides important contextual clues — scientific passages use words differently than literary passages

Words from Literary Fiction Passages

Literary fiction passages on the SAT feature character-driven narratives requiring emotional and psychological vocabulary. These words describe personality, emotional states, social dynamics, and the subtleties of human behavior.

#	Word	POS	Definition	SAT-Style Context Example	Trap?
1	wistful	adjective	Having or showing a feeling of vague or regretful longing.	“She gazed wistfully at the old photographs, her expression a mixture of joy and loss.”
2	melancholy	noun/adjective	A feeling of pensive sadness; a gloomy state of mind.	“A pervasive melancholy settled over the household after the patriarch's departure.”
3	stoic	adjective	Enduring pain or hardship without showing feelings or complaining.	“He accepted each disappointment with a stoic calm that his younger siblings found impossible to imitate.”	SAT trap: 'stoic' does not mean 'strong' or 'brave' — it means emotionally unexpressive under hardship.
4	laconic	adjective	Using very few words; brief to the point of seeming rude.	“Her laconic reply — a single raised eyebrow — conveyed more disdain than any speech could have.”
5	sardonic	adjective	Grimly mocking or cynical; disdainfully humorous.	“The narrator's sardonic asides reveal his contempt for the social pretensions of the dinner guests.”
6	aloof	adjective	Not friendly or forthcoming; cool and distant.	“The eldest daughter remained aloof at family gatherings, observing the others with detached amusement.”
7	languid	adjective	Displaying or having a disinclination for physical exertion or effort; slow and relaxed.	“Summer afternoons passed in languid idleness, the children too hot to do anything but lie in the shade.”
8	crestfallen	adjective	Sad and disappointed.	“He returned from the interview crestfallen, his earlier confidence entirely gone.”
9	petulant	adjective	Childishly sulky or bad-tempered.	“The young heir's petulant demands alienated the staff, who had previously been loyal.”
10	magnanimous	adjective	Generous or forgiving, especially toward a rival or less powerful person.	“In a magnanimous gesture, the victorious general released his prisoners without conditions.”
11	inscrutable	adjective	Impossible to understand or interpret; enigmatic.	“Her face remained inscrutable throughout the hearing, giving no indication of her inner turmoil.”
12	truculent	adjective	Eager or quick to argue or fight; aggressively defiant.	“The truculent young lawyer challenged every procedural ruling, exhausting the patience of the court.”
13	furtive	adjective	Attempting to avoid notice; secretive.	“His furtive glances toward the door suggested he was expecting — or dreading — someone's arrival.”
14	querulous	adjective	Complaining in a petulant or whining manner.	“The querulous old man spent his days at the window, finding fault with every passerby.”
15	ebullient	adjective	Cheerful and full of energy; enthusiastically exuberant.	“Her ebullient personality transformed even the most routine meetings into lively occasions.”
16	diffident	adjective	Modest or shy due to a lack of self-confidence.	“Despite his obvious talent, he remained diffident about displaying his work in public.”
17	sanguine	adjective	Optimistic or positive, especially in a difficult situation.	“She remained sanguine about her chances even when the odds seemed overwhelmingly against her.”	SAT trap: 'sanguine' does not mean 'bloody' in modern usage — it means cheerfully optimistic.
18	morose	adjective	Sullen and ill-tempered; gloomy.	“He grew increasingly morose as the weeks passed without word from his estranged son.”
19	reticent	adjective	Not revealing one's thoughts or feelings readily; reserved.	“The protagonist was reticent about her past, deflecting personal questions with practiced ease.”	SAT trap: 'reticent' means reluctant to speak, not reluctant in general.
20	imperious	adjective	Assuming power or authority without justification; arrogant and domineering.	“Her imperious manner — the way she summoned servants without looking up — confirmed every rumor about her character.”
21	forlorn	adjective	Pitifully sad and abandoned or lonely.	“The child stood forlorn at the gate long after the carriage had disappeared from view.”
22	vacuous	adjective	Having or showing a lack of thought or intelligence; mindless.	“The author satirizes the vacuous small talk that passes for conversation at society dinners.”
23	impetuous	adjective	Acting or done quickly and without thought or care.	“His impetuous decision to leave the family business shocked everyone who knew him.”
24	obsequious	adjective	Obedient or attentive to an excessive or servile degree; fawning.	“The obsequious manner of the hotel manager made the narrator suspicious of what was being concealed.”
25	lugubrious	adjective	Looking or sounding sad and dismal; excessively mournful.	“He delivered the news in a lugubrious tone that struck his listeners as theatrical rather than sincere.”
26	phlegmatic	adjective	Having an unemotional and stolidly calm disposition.	“Her phlegmatic response to the crisis surprised those who expected grief or outrage.”
27	pensive	adjective	Engaged in deep or serious thought; reflective.	“She sat pensive by the window, replaying the conversation in her mind.”
28	ostentatious	adjective	Characterized by vulgar or pretentious display; designed to impress.	“The ostentatious décor of the mansion struck the governess as a monument to insecurity.”
29	convivial	adjective	Relating to or fond of feasting, drinking, and good company; lively.	“The convivial gathering lasted well past midnight, the guests unwilling to let the evening end.”
30	taciturn	adjective	Reserved or uncommunicative in speech; saying little.	“Her taciturn husband rarely offered opinions, nodding or shrugging in response to even direct questions.”
31	disconsolate	adjective	Without consolation; very unhappy and unable to be comforted.	“He remained disconsolate for months after the sale of his childhood home.”
32	insolent	adjective	Showing a rude and arrogant lack of respect.	“The insolent reply from the servant shocked the guests more than the accusation itself had.”
33	acrimonious	adjective	Angry and bitter, especially in speech or manner.	“Their correspondence, once warm, had devolved into acrimonious exchanges about money and blame.”
34	doleful	adjective	Expressing sorrow; mournful.	“The doleful melody from the next room told her all she needed to know about the outcome.”
35	irascible	adjective	Having or showing a tendency to be easily angered.	“The irascible professor threw students out of seminars for asking questions he deemed foolish.”
36	sycophantic	adjective	Behaving in an obsequious or flattering way.	“The court was populated by sycophantic courtiers who praised the king's worst decisions.”
37	effusive	adjective	Expressing gratitude, pleasure, or approval in an unrestrained or heartfelt way.	“Her effusive praise for the novel made the author uncomfortable, suspecting exaggeration.”
38	acerbic	adjective	Sharp and direct; critical in tone.	“His acerbic wit made him a popular dinner guest but a feared colleague.”
39	loquacious	adjective	Tending to talk a great deal; talkative.	“The loquacious host filled every silence with anecdotes, rarely allowing others to speak.”
40	circumspect	adjective	Wary and unwilling to take risks; careful in considering all circumstances.	“The circumspect widow refused to make any decision about the estate until she had consulted her solicitor.”
41	languor	noun	The state or feeling of tiredness or lack of energy; a pleasurable dreaminess.	“An afternoon languor descended over the house, and the clocks seemed to slow their ticking.”
42	cupidity	noun	Greed for money or possessions.	“His cupidity was barely disguised — every conversation eventually turned to the question of inheritance.”
43	peevish	adjective	Easily irritated, especially by unimportant things; querulous.	“By the third hour of waiting, even the most patient among them grew peevish.”
44	censorious	adjective	Severely critical of others.	“The censorious aunt cataloged every perceived failing of each family member at holiday dinners.”
45	garrulous	adjective	Excessively talkative, especially on trivial matters.	“The garrulous innkeeper delayed their departure by an hour with stories of local history.”
46	vivacious	adjective	Attractively lively and animated.	“Her vivacious presence transformed the drawing room, bringing animation to conversations that had gone flat.”
47	impudent	adjective	Not showing due respect for another person; impertinent.	“The impudent young clerk had the audacity to correct the senior partner in front of a client.”
48	rancorous	adjective	Characterized by bitterness or resentment.	“The rancorous dispute over their father's will poisoned the siblings' relationship for decades.”
49	vindictive	adjective	Having or showing a strong desire to harm someone who has harmed you.	“The portrait suggests a vindictive streak masked by politeness and good manners.”
50	complacent	adjective	Showing smug or uncritical satisfaction with oneself; self-satisfied.	“A complacent acceptance of the status quo marked the townspeople's response to every injustice.”
51	contrite	adjective	Feeling or expressing remorse at the recognition of one's wrongdoing.	“His contrite letter arrived too late; she had already made her decision.”

Words from Social Science Passages

Social science passages cover sociology, psychology, economics, anthropology, and political science. These passages frequently use technical vocabulary that has precise academic meanings differing from everyday usage.

#	Word	POS	Definition	SAT-Style Context Example	Trap?
1	normative	adjective	Establishing, relating to, or deriving from a standard or norm; prescriptive.	“The paper challenges normative assumptions about what constitutes a healthy family structure.”	SAT trap: 'normative' does not simply mean 'normal' — it means relating to a standard that prescribes behavior.
2	hegemony	noun	Leadership or dominance, especially of one country or social group over others.	“The author examines how cultural hegemony shapes what communities consider common sense.”
3	commodify	verb	To turn something into a commodity; to treat something as if it were merely a commercial product.	“Critics argue that social media platforms commodify personal relationships, reducing them to data points.”
4	inequity	noun	Lack of fairness or justice; unequal distribution.	“Systemic inequity in school funding perpetuates generational disadvantage.”
5	marginalize	verb	To treat a person, group, or concept as insignificant or peripheral.	“The study demonstrates that urban planning decisions have historically marginalized low-income communities.”
6	assimilate	verb	To absorb and integrate into a wider society; to take in and understand information.	“Immigrants who assimilate entirely often report a sense of cultural loss alongside social gain.”
7	pluralism	noun	A condition in which multiple groups, principles, or authorities coexist.	“Democratic pluralism depends on citizens tolerating viewpoints they find objectionable.”
8	stigmatize	verb	To describe or regard as worthy of disgrace or strong disapproval.	“Social stigmatization of mental illness prevents many individuals from seeking professional help.”
9	disenfranchise	verb	To deprive of a right, especially the right to vote or to participate.	“Voter ID laws have been criticized for disenfranchising minority and low-income voters.”
10	solidarity	noun	Unity or agreement of feeling or action among individuals with a common interest.	“The strike succeeded largely because of the workers' remarkable solidarity across multiple industries.”
11	stratification	noun	The arrangement or classification of something into different categories; social hierarchy.	“Sociologists have documented how residential stratification reinforces economic inequality.”
12	cognitive dissonance	noun phrase	The mental discomfort experienced when holding contradictory beliefs or values simultaneously.	“The study reveals the cognitive dissonance of consumers who value sustainability but choose convenience.”
13	archetype	noun	A very typical example of a certain kind of person or thing; an original model.	“The self-made entrepreneur has become an archetype in American cultural mythology.”
14	ideology	noun	A system of ideas and ideals, especially one that forms the basis of economic or political theory.	“The article examines how dominant ideologies shape the questions researchers choose to investigate.”
15	consensus	noun	General agreement; the collective opinion of a group.	“Scientific consensus on climate change has not translated into corresponding political consensus.”
16	discourse	noun	Written or spoken communication; the language and concepts specific to a field.	“Public discourse about immigration has become increasingly polarized over the past two decades.”
17	agency	noun	The capacity of individuals to act independently and make free choices.	“The author argues that structural constraints severely limit the agency available to impoverished communities.”	SAT trap: 'agency' in social science contexts means personal capacity for action, not a business or government organization.
18	coercive	adjective	Using force or threats to make someone do something against their will.	“The policy was criticized as coercive, leaving participants with no meaningful choice.”
19	altruism	noun	Disinterested and selfless concern for the well-being of others.	“Evolutionary psychologists debate whether genuine altruism exists or is always ultimately self-serving.”
20	reciprocity	noun	The practice of exchanging things with others for mutual benefit.	“Social capital depends on norms of reciprocity that encourage cooperation among community members.”
21	implicit bias	noun phrase	Unconscious attitudes or stereotypes affecting decisions and behaviors.	“Training programs designed to reduce implicit bias have shown mixed results in controlled studies.”
22	meritocracy	noun	A system in which advancement is based on individual ability or achievement.	“Critics of the meritocracy ideal argue it obscures the role of inherited privilege in shaping outcomes.”
23	patriarchal	adjective	Relating to or denoting a system of society in which the father or eldest male is head of the family.	“The author traces how patriarchal assumptions shaped the design of early workplace policies.”
24	subculture	noun	A cultural group within a larger culture, often having beliefs or interests at variance with those of the larger culture.	“The passage explores how the online gaming subculture developed its own distinct social norms.”
25	polarization	noun	Division into two sharply contrasting groups or sets of opinions.	“Political polarization makes it increasingly difficult to build coalitions around complex policy issues.”
26	intersectionality	noun	The complex, cumulative way in which the effects of different forms of discrimination combine.	“Intersectionality theory examines how race, gender, and class simultaneously shape lived experience.”
27	demographic	noun/adjective	Relating to the structure of populations; a particular sector of a population.	“Advertisers have shifted resources toward digital platforms to reach younger demographic groups.”
28	empirical	adjective	Based on observation and evidence rather than theory alone.	“The author demands empirical support before endorsing any policy recommendation.”
29	anecdotal	adjective	Based on personal accounts rather than facts or research.	“The article's reliance on anecdotal evidence rather than controlled data weakens its central argument.”
30	longitudinal	adjective	Relating to the development of something over time; involving repeated observations over long periods.	“Longitudinal studies of childhood poverty reveal that effects persist well into adulthood.”
31	quantitative	adjective	Relating to, measuring, or measured by the quantity of something.	“The quantitative data show a correlation, but the authors acknowledge the study cannot establish causation.”
32	qualitative	adjective	Relating to or measured by the quality of something; involving methods that yield descriptive data.	“Qualitative interviews revealed emotional patterns that survey data had entirely missed.”
33	autonomy	noun	The right or condition of self-government; freedom from external control.	“Patient autonomy requires that doctors fully inform individuals before requesting consent to treatment.”
34	deference	noun	Humble submission and respect; yielding to the judgment of another.	“In many traditional cultures, deference to elders is a deeply embedded social norm.”
35	conformity	noun	Compliance with standards, rules, or laws; behavior in accordance with social expectations.	“The experiment demonstrated that conformity pressure can lead individuals to deny obvious facts.”
36	socioeconomic	adjective	Relating to or concerned with the interaction of social and economic factors.	“Socioeconomic background remains the strongest predictor of educational attainment in many countries.”
37	paternalistic	adjective	Limiting someone's freedom or choices ostensibly for their own good.	“Critics labeled the policy paternalistic, arguing it treated adults as incapable of making informed decisions.”
38	egalitarian	adjective	Believing in or based on the principle that all people are equal.	“The company's egalitarian structure — no private offices, same cafeteria for all — was a deliberate cultural statement.”
39	collectivism	noun	The practice or principle of giving a group priority over each individual within it.	“The research compares how collectivism in East Asian cultures influences decision-making patterns.”
40	sovereignty	noun	Supreme power or authority; the authority of a state to govern itself.	“The treaty was criticized as an infringement on national sovereignty by member states.”
41	acculturation	noun	The process of cultural and psychological change through interaction with another culture.	“The study tracks acculturation patterns among first- and second-generation immigrants in urban centers.”
42	endemic	adjective	Regularly found among particular people or in a certain area; widespread in a particular community.	“Corruption in public contracting had become so endemic that residents no longer reported it.”	SAT trap: 'endemic' refers to something habitually present in a specific place or group — not simply widespread everywhere.
43	leverage	verb/noun	To use something to maximum advantage; the power to influence.	“The organization leveraged its nonprofit status to access funding unavailable to private companies.”	SAT trap: In social science passages, 'leverage' means to use for advantage — not physical force with a lever.
44	dialectical	adjective	Relating to the logical discussion of ideas and opinions; involving contradictory forces.	“The author employs a dialectical framework, presenting opposing perspectives before synthesizing them.”
45	cohesion	noun	The action of forming a united whole; unity.	“Social cohesion in the community depended on shared rituals that had been eroding for two generations.”
46	proximity	noun	Nearness in space, time, or relationship.	“Research suggests that geographic proximity between income groups reduces prejudice.”
47	correlation	noun	A mutual relationship or connection between two or more things.	“The passage carefully distinguishes correlation from causation when interpreting survey results.”
48	interventional	adjective	Relating to direct action taken to improve a situation.	“Interventional programs in early childhood show stronger returns than those targeting older populations.”
49	vicarious	adjective	Experienced in the imagination through the feelings or actions of another person.	“The author explores how audiences live vicarious experiences through the suffering of fictional characters.”
50	prerogative	noun	A right or privilege exclusive to a particular individual or class.	“The author argues that voting has historically been treated as a prerogative of the wealthy, not a universal right.”
51	proliferation	noun	Rapid increase in numbers; spreading quickly.	“The proliferation of social media platforms has changed how political misinformation spreads.”
52	subsidy	noun	A sum of money granted by the government to assist an industry or business.	“Agricultural subsidies shape which crops are economically viable for small farmers.”
53	disparity	noun	A great difference; lack of equality.	“The wealth disparity between the wealthiest and poorest households has grown in every decade since 1980.”
54	infrastructure	noun	The basic physical and organizational structures needed for the operation of a society.	“Decaying infrastructure disproportionately burdens communities that lack political influence.”
55	tokenism	noun	The practice of making only a perfunctory effort to be inclusive.	“Hiring a single member of a minority group was dismissed by critics as mere tokenism.”
56	vernacular	noun/adjective	The language or dialect spoken by the ordinary people of a country or region.	“The passage argues that academic writing should incorporate the vernacular of the communities it studies.”
57	archival	adjective	Relating to or constituting an archive; preserved in an archive.	“Archival research reveals that the official narrative omitted significant documentary evidence.”
58	codify	verb	To arrange laws or rules into a systematic code; to systematize.	“The legislation sought to codify practices that had previously been enforced only informally.”
59	nuance	noun	A subtle difference in or shade of meaning, expression, or sound.	“The author's analysis loses nuance when it reduces complex motivations to simple economic incentives.”

Words from Natural Science Passages

Natural science passages cover biology, chemistry, physics, earth science, and environmental science. They emphasize research methodology, experimental design, and technical scientific vocabulary.

#	Word	POS	Definition	SAT-Style Context Example	Trap?
1	replicate	verb	To reproduce or repeat; to produce a copy of an experimental result.	“The original findings could not be replicated in subsequent trials, raising questions about methodology.”
2	hypothesis	noun	A proposed explanation made on the basis of limited evidence as a starting point for investigation.	“The team formulated a hypothesis to explain why the catalyst degraded at high temperatures.”
3	extrapolate	verb	To extend a graph, curve, or range of values beyond the known data by assuming the existing trend continues.	“Researchers extrapolated from the two-year trial to estimate lifetime outcomes, a step critics found premature.”	SAT trap: 'extrapolate' means projecting beyond known data — not simply 'conclude' or 'determine.'
4	iterate	verb	To perform or utter repeatedly; to refine through repeated cycles.	“Engineers iterate on designs, making incremental adjustments after each round of testing.”
5	inert	adjective	Lacking the ability or strength to move; chemically inactive.	“The substrate was chemically inert, ensuring that only the intended reaction occurred.”
6	volatile	adjective	Evaporating rapidly; liable to change rapidly and unpredictably.	“Volatile organic compounds in the atmosphere contribute to the formation of ground-level ozone.”	SAT trap: In science passages, 'volatile' usually means evaporating easily or chemically unstable — not emotionally explosive.
7	synthesis	noun	The combination of components to form a new whole; a chemical process combining elements.	“The synthesis of the compound required six steps and precise temperature control at each stage.”
8	osmosis	noun	Movement of water through a semipermeable membrane; gradual absorption or assimilation.	“The passage describes how osmosis regulates water balance in plant cells.”
9	catalyst	noun	A substance that increases the rate of a chemical reaction without being consumed.	“The enzyme acts as a biological catalyst, lowering the activation energy required for the reaction.”
10	equilibrium	noun	A state of balance between opposing forces; in chemistry, the point where forward and reverse reactions occur at equal rates.	“At equilibrium, the concentrations of reactants and products remain constant, though reactions continue.”
11	mitigation	noun	The action of reducing the severity or impact of something.	“The study evaluates various mitigation strategies for reducing the effects of wildfire smoke.”
12	permeable	adjective	Allowing liquids or gases to pass through; penetrable.	“The permeable membrane allows water molecules to pass while blocking larger solute particles.”
13	degradation	noun	The process of breaking down; the deterioration of something through use or time.	“Soil degradation from intensive farming reduces the land's capacity to support crops.”
14	biodiversity	noun	The variety of life in the world or in a particular habitat.	“Researchers found that biodiversity declined sharply in regions with high agricultural intensity.”
15	speciation	noun	The formation of new and distinct species through the course of evolution.	“Geographic isolation accelerates speciation by preventing interbreeding between populations.”
16	combustion	noun	The process of burning; a rapid chemical reaction with oxygen producing heat and light.	“The passage explains how incomplete combustion of fossil fuels produces carbon monoxide.”
17	diffuse	verb/adjective	To spread or cause to spread out over a wide area; spread out and not concentrated.	“Nutrients diffuse across cell membranes from regions of high to low concentration.”
18	substrate	noun	The surface or material on or from which an organism lives; a substance acted on by an enzyme.	“The substrate binds to the enzyme's active site, triggering the catalytic reaction.”
19	phenotype	noun	The set of observable characteristics of an organism resulting from its genotype.	“Two organisms with identical phenotypes may have different underlying genotypes.”
20	genotype	noun	The genetic constitution of an organism; its complete set of genes.	“The study compares phenotypic variation within a population sharing a common genotype.”
21	proximate	adjective	Nearest in time, space, or relationship; directly preceding or following.	“The proximate cause of extinction in this case was habitat loss, though climate change was a distal factor.”	SAT trap: 'proximate' means the immediate/direct cause — distinct from 'ultimate' or 'distal' causes.
22	aerobic	adjective	Relating to or requiring free oxygen; occurring in the presence of oxygen.	“Aerobic respiration produces far more energy per glucose molecule than anaerobic pathways.”
23	adaptation	noun	A change or the process of change by which an organism becomes better suited to its environment.	“The thick waxy cuticle of desert plants is an adaptation that reduces water loss.”
24	homeostasis	noun	The tendency of biological systems to maintain stable conditions necessary for survival.	“Body temperature regulation is a classic example of homeostasis in warm-blooded organisms.”
25	photosynthesis	noun	The process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water.	“The rate of photosynthesis declines when plants are exposed to temperatures above their optimal range.”
26	osmotic	adjective	Relating to or involving the process of osmosis.	“The osmotic pressure gradient determines the direction and rate of water movement across the membrane.”
27	taxonomy	noun	The branch of science concerned with classification; a scheme of classification.	“The revised taxonomy reclassified the species based on newly discovered genetic evidence.”
28	polymorphism	noun	The occurrence of multiple forms or variants within a species or substance.	“Genetic polymorphism at this locus is associated with variation in disease susceptibility.”
29	fission	noun	The action of dividing or splitting into two or more parts; a nuclear reaction.	“Nuclear fission releases energy by splitting heavy atomic nuclei into lighter fragments.”
30	oxidation	noun	The process by which a substance combines with oxygen; the loss of electrons.	“Oxidation of iron produces rust, a process accelerated by moisture and salt.”
31	sedimentary	adjective	Relating to or consisting of sediment; formed from sediment deposited in layers.	“Sedimentary rock layers preserve a chronological record of past environmental conditions.”
32	enthalpy	noun	A thermodynamic property equal to the total heat content of a system.	“The reaction is exothermic, releasing energy as the enthalpy of the products is lower than that of the reactants.”
33	turbulence	noun	Irregular fluctuations in the flow of a fluid; a state of conflict or confusion.	“Atmospheric turbulence interferes with the transmission of laser signals through the air.”
34	fidelity	noun	Faithfulness to a person, cause, or belief; the degree of exactness in a copy or reproduction.	“High-fidelity DNA replication is essential for preventing heritable mutations.”	SAT trap: In science contexts, 'fidelity' means accuracy or exactness — not loyalty to a person.
35	entropy	noun	A measure of disorder or randomness in a system; tendency toward disorder.	“The second law of thermodynamics states that entropy in an isolated system always increases.”
36	resonance	noun	The quality of being resonant; in chemistry, the distribution of electrons in a molecule.	“The resonance structure of benzene explains its unusual chemical stability.”
37	stochastic	adjective	Randomly determined; involving a random probability distribution.	“The model incorporates stochastic variation to simulate real-world unpredictability in population growth.”
38	trajectory	noun	The path followed by a projectile or a process over time.	“The research tracks the trajectory of climate variables over a century of recorded data.”
39	isotope	noun	One of two or more atoms with the same atomic number but different mass numbers.	“Carbon-14 is a radioactive isotope used to date organic materials up to 50,000 years old.”
40	biomarker	noun	A measurable indicator of some biological state or condition.	“The elevated biomarker levels predicted disease onset an average of three years before symptoms appeared.”
41	vector	noun	An organism that transmits a disease or parasite; in physics, a quantity with direction.	“Mosquitoes serve as vectors for malaria, transmitting the Plasmodium parasite during blood meals.”	SAT trap: 'vector' can mean a disease carrier, a mathematical quantity with direction, or a molecular carrier — context determines meaning.
42	perturb	verb	To make anxious or unsettled; to subject a system to an external force causing change.	“Any small perturbation of the system's initial conditions produces dramatically different long-term outcomes.”
43	inorganic	adjective	Not arising from natural growth; relating to or denoting compounds not containing carbon.	“The fertilizer provides inorganic nitrogen that plants can absorb directly through roots.”
44	excrete	verb	To separate and expel waste material from the body.	“Kidneys excrete metabolic waste products by filtering blood and producing urine.”
45	salinity	noun	The saltiness or concentration of salt dissolved in water.	“Ocean salinity varies with evaporation and freshwater input from precipitation and rivers.”
46	viable	adjective	Capable of surviving or living successfully; capable of working successfully.	“At this temperature, less than 10 percent of the cell samples remained viable after 48 hours.”
47	anomaly	noun	Something that deviates from what is standard, normal, or expected.	“The anomalous data point was excluded after the team determined it resulted from equipment malfunction.”
48	inhibit	verb	To hinder, restrain, or prevent an action or process.	“The new compound inhibits the enzyme responsible for the degradation of the target protein.”
49	saturate	verb	To cause to become thoroughly soaked or impregnated; to fill to capacity.	“Once the solution is saturated, no additional solute can dissolve at that temperature.”
50	proliferate	verb	To grow rapidly; to reproduce or increase rapidly in numbers.	“Cancer cells proliferate uncontrollably because they bypass normal mechanisms of growth regulation.”
51	aggregate	verb/noun/adjective	To collect or gather into a mass or whole; a mass formed from separate units.	“Researchers aggregated data from 200 field sites to produce a continental-scale analysis.”	SAT trap: 'aggregate' as an adjective means 'total' or 'combined' — the aggregate result is the combined total, not just a large amount.
52	sequester	verb	To isolate or hide away; in chemistry, to fix or remove a substance from a system.	“Forests sequester carbon dioxide, acting as long-term carbon sinks in the global cycle.”
53	mitosis	noun	A type of cell division resulting in two daughter cells with the same number of chromosomes as the parent.	“During mitosis, the chromosomes duplicate and segregate equally into two daughter cells.”
54	amplitude	noun	The maximum extent of a vibration or oscillation; the magnitude of a wave.	“Increasing the amplitude of a sound wave increases its perceived loudness.”
55	inertia	noun	A tendency to do nothing or to remain unchanged; the resistance of a body to change.	“Newton's first law states that an object will remain at rest due to inertia unless acted upon by an external force.”
56	hydrophobic	adjective	Tending to repel or fail to mix with water.	“The hydrophobic interior of the cell membrane prevents polar molecules from passing freely.”
57	flux	noun	Continuous change; the rate of flow of a fluid or energy through a surface.	“The ecosystem is in flux as invasive species alter nutrient cycling and energy flow.”
58	epigenetic	adjective	Relating to changes in gene expression not caused by changes in the DNA sequence.	“Epigenetic modifications allow identical twins to develop different health outcomes over time.”
59	recombination	noun	The rearrangement of genetic material by exchange of segments.	“Genetic recombination during meiosis increases variation in offspring.”

Words from Historical Document Passages

The SAT includes excerpts from founding documents, speeches, political essays, and historical texts. These passages feature formal, often archaic vocabulary from legal, political, and rhetorical traditions.

#	Word	POS	Definition	SAT-Style Context Example	Trap?
1	exhort	verb	To strongly encourage or urge someone to do something.	“The pamphlet exhorts citizens to resist unjust laws through nonviolent collective action.”
2	enumerate	verb	To mention a number of things one by one; to list.	“The petition enumerates the specific grievances of the colonists against parliamentary taxation.”
3	redress	noun/verb	Remedy or compensation for a wrong or grievance; to set right.	“The petitioners sought redress for property seized without due process of law.”	SAT trap: 'redress' does not mean to dress again — it means to remedy or correct a wrong.
4	covenant	noun	A formal agreement or promise; a binding contract.	“The founders understood the Constitution as a covenant between the government and the governed.”
5	usurp	verb	To take a position of power or importance illegally or by force.	“The pamphlet charges that the crown has usurped legislative authority that properly belongs to elected representatives.”
6	tyranny	noun	Cruel and oppressive government or rule; a nation under such rule.	“Jefferson's draft cataloged British tyranny as justification for the colonists' decision to separate.”
7	posterity	noun	All future generations of people.	“The founders wrote the Constitution explicitly 'for ourselves and our posterity,' binding future generations.”
8	sovereignty	noun	Supreme power or authority; the authority of a state to govern itself.	“The delegates debated whether sovereignty rested with the states or with the new federal government.”
9	manifesto	noun	A public declaration of policy and aims, especially by a political party.	“The document functions as a manifesto, declaring not just intent but an entire philosophical framework.”
10	seditious	adjective	Inciting or causing people to rebel against the authority of the state.	“The pamphlet was deemed seditious and its author was arrested on charges of incitement.”
11	polity	noun	A form or process of civil government; a politically organized community.	“The essay argues that a well-ordered polity must balance individual liberty with the common good.”
12	suffrage	noun	The right to vote in political elections.	“The suffrage movement demanded full and equal voting rights for women in all elections.”
13	emancipation	noun	The fact or process of being set free from legal, social, or political restrictions.	“Lincoln's Emancipation Proclamation reframed the war as a struggle for human freedom.”
14	referendum	noun	A general vote by the electorate on a single political question.	“The passage discusses whether direct referendum is more democratic than representative legislation.”
15	demagogue	noun	A political leader who seeks support by appealing to popular desires and prejudices.	“The Federalist Papers warn against the rise of demagogues who inflame passions to win power.”
16	oligarchy	noun	A small group of people having control of a country or organization.	“Madison feared that without constitutional checks, a wealthy oligarchy would dominate the republic.”
17	rectify	verb	To put right; to correct.	“The amendment was designed to rectify the injustice of the original constitutional provision.”
18	dissolution	noun	The closing down or dismissal of an assembly, partnership, or official body.	“The passage describes the dissolution of Parliament as both constitutional crisis and historical turning point.”
19	inalienable	adjective	Unable to be taken away or given away; inherent.	“Jefferson declared life, liberty, and the pursuit of happiness to be inalienable rights.”
20	proclamation	noun	A public or official announcement dealing with a matter of great importance.	“The proclamation was read aloud in every town square in the territories it was intended to affect.”
21	abolitionist	noun	A person who advocates the abolition of a practice, especially the institution of slavery.	“The speech was published in an abolitionist newspaper to reach the widest possible audience.”
22	concord	noun	Agreement or harmony between groups; a state of peace.	“The treaty sought to establish concord between nations that had been at war for a generation.”
23	ratify	verb	To formally approve a document or treaty, making it officially valid.	“The states debated for months before agreeing to ratify the proposed amendments.”
24	dissent	noun/verb	The expression of opinions contrary to those of an official body; to disagree.	“The three dissenting justices filed a sharp dissent challenging the majority's constitutional reasoning.”
25	eloquence	noun	Fluent or persuasive speaking or writing.	“The address was distinguished by its eloquence, combining emotional appeal with precise legal argument.”
26	censure	noun/verb	An expression of severe disapproval, especially formally by a legislature or other body.	“The chamber voted to censure the senator for conduct deemed unbecoming of the office.”
27	injunction	noun	An authoritative warning or order; a court order requiring an action.	“The court issued an injunction prohibiting enforcement of the law pending constitutional review.”
28	preamble	noun	An introductory statement; the introductory part of a statute or constitution.	“Scholars debate whether the preamble has independent legal force or merely states interpretive intent.”
29	polemic	noun/adjective	A strong verbal or written attack on someone or something.	“The pamphlet is a polemic against taxation without representation, not a measured legal brief.”	SAT trap: 'polemic' means a combative written argument — not simply any argument or speech.
30	prerogative	noun	A right or privilege exclusive to a particular individual or class.	“The king's prerogative to dissolve Parliament was a central source of tension in constitutional debates.”
31	autocracy	noun	A system of government by one person with absolute power.	“The founders designed the Constitution to prevent the republic from sliding into autocracy.”
32	confederation	noun	An alliance of states with a central government that has limited authority.	“Under the Articles of Confederation, the national government lacked the power to levy taxes.”
33	jurisprudence	noun	The theory or philosophy of law; a legal system.	“The decision represented a significant shift in constitutional jurisprudence on the right to privacy.”
34	amendment	noun	A formal revision or change to a law or document.	“The Reconstruction Amendments fundamentally altered the constitutional relationship between citizen and state.”
35	caucus	noun/verb	A meeting of supporters of a political group; to hold such a meeting.	“The delegates caucused privately before the formal session to align their positions.”
36	faction	noun	A small, organized, dissenting group within a larger one.	“Madison warned in Federalist No. 10 of the dangers posed by organized factions to republican governance.”
37	entreaty	noun	An earnest or humble request.	“The final paragraph of the petition was an entreaty to Parliament to hear the colonists' grievances.”
38	deliberate	adjective/verb	Done consciously and intentionally; to engage in careful consideration.	“The Convention deliberated for four months before producing the final constitutional text.”
39	approbation	noun	Approval or praise.	“The measure passed with near-universal approbation from those present at the convention.”
40	invoke	verb	To cite or appeal to something as an authority; to call upon formally.	“The dissenting justice invoked natural law theory to challenge the majority's purely textualist reading.”
41	indemnify	verb	To compensate for harm or loss; to secure against legal responsibility.	“The treaty required the losing party to indemnify civilian populations for damages caused by the occupation.”
42	orator	noun	A public speaker, especially one who is skilled at using language effectively.	“Frederick Douglass was renowned as an orator whose personal experience gave his speeches unmatched authority.”
43	expatiate	verb	To speak or write in detail about; to expand upon.	“The senator expatiated at length on the economic harm that would result from the proposed tariff.”
44	capitulate	verb	To cease to resist an opponent or demand; to yield.	“Despite months of resistance, the committee eventually capitulated to public pressure.”
45	promulgate	verb	To make widely known; to put a law or decree into effect by publishing it.	“The regulation was promulgated in the Federal Register and took effect thirty days later.”
46	arbitrary	adjective	Based on random choice rather than any reason or system; exercised without restraint.	“The Founders sought to limit arbitrary government power through a written constitution.”
47	impugn	verb	To dispute the truth, validity, or honesty of.	“The defense attorney sought to impugn the credibility of the government's key witness.”
48	edict	noun	An official order or proclamation issued by a person in authority.	“The royal edict forbade any assembly of more than five persons without written permission.”
49	abdicate	verb	To renounce a throne, high office, or responsibility; to fail in a duty.	“The passage argues that the legislature abdicated its responsibility by delegating rule-making to unelected agencies.”

Words for Author's Purpose and Tone

A major category of SAT Reading questions asks about an author's purpose, attitude, or tone. Knowing these tone descriptors allows you to answer quickly and accurately.

#	Word	POS	Definition	SAT-Style Context Example
1	sardonic	adjective	Grimly mocking or cynical; scornfully humorous.	“The essayist's sardonic commentary on bureaucratic waste masks a genuine frustration with institutional failure.”
2	ironic	adjective	Using irony; saying the opposite of what is meant, often to comic effect.	“It is ironic that the very measures taken to improve efficiency led to the most costly delays.”
3	ambivalent	adjective	Having mixed or contradictory feelings about something or someone.	“The author is ambivalent toward industrialization, admiring its productive power while mourning its human costs.”
4	elegiac	adjective	Having a mournful quality; relating to an elegy; lamenting the past.	“The memoir's elegiac tone reflects the author's grief over a way of life that has irreversibly vanished.”
5	celebratory	adjective	Expressing joy or festivity; marking an achievement.	“The documentary adopts a celebratory tone, emphasizing innovation without examining systemic failures.”
6	critical	adjective	Expressing disapproval; finding fault; involving analysis and judgment.	“The review is sharply critical of the author's failure to engage with recent scholarship in the field.”
7	nostalgic	adjective	Feeling or evoking a sentimental longing for the past.	“The essay's nostalgic framing risks idealizing a historical period that was deeply unjust for many.”
8	laudatory	adjective	Expressing praise and commendation.	“The laudatory review failed to identify any limitations, undermining its credibility.”
9	polemical	adjective	Of, relating to, or involving strongly critical, controversial, or disputatious writing.	“The book's polemical tone alienated readers who might otherwise have found its arguments compelling.”
10	reverent	adjective	Feeling or showing deep and solemn respect.	“The biographer adopts a reverent tone when describing her subject's sacrifice, perhaps at the cost of objectivity.”
11	skeptical	adjective	Not easily convinced; questioning the validity of claims.	“The author is skeptical of techno-optimist narratives, demanding evidence before accepting their promises.”
12	impassioned	adjective	Filled with or showing great emotion.	“The impassioned plea in the essay's final paragraphs appeals to readers' shared values rather than their reason.”
13	dispassionate	adjective	Not influenced by strong emotion; rational and impartial.	“The report adopts a dispassionate, data-driven tone to avoid accusations of advocacy.”
14	conciliatory	adjective	Intended to make peace; bringing together opposing views.	“After the sharp disagreements of the opening chapters, the author's conciliatory conclusion surprised many reviewers.”
15	condescending	adjective	Showing a feeling of superiority over others.	“The reviewer's condescending dismissal of popular fiction reveals his narrow definition of literary value.”
16	pedantic	adjective	Excessively concerned with minor details or rules; showing off learning.	“The professor's pedantic insistence on precise terminology frustrated students who struggled to follow his lectures.”
17	hyperbolic	adjective	Using or involving exaggeration for emphasis.	“The headline's hyperbolic language overstates the findings and misleads readers unfamiliar with the study.”
18	understated	adjective	Presented with restraint; less expressive than expected.	“The understated prose makes the tragedy more devastating than overwrought description would have been.”
19	ambiguous	adjective	Open to more than one interpretation; not having one obvious meaning.	“The deliberately ambiguous ending invites readers to supply their own conclusions about the character's fate.”
20	objective	adjective	Not influenced by personal feelings; impartial.	“The author attempts an objective presentation of both sides, though her conclusion clearly favors one position.”
21	subjective	adjective	Based on or influenced by personal feelings, tastes, or opinions.	“Art criticism is inherently subjective, shaped by the critic's cultural background and personal history.”
22	detached	adjective	Aloof; not emotionally involved; separated from a situation.	“The narrator's detached tone throughout the crisis suggests suppressed emotion rather than indifference.”
23	fervent	adjective	Having or displaying a passionate intensity of feeling.	“The author writes with fervent conviction about the moral urgency of climate action.”
24	reverence	noun	Deep respect or awe, especially for something considered sacred.	“The biographer's reverence for her subject occasionally compromises her willingness to acknowledge flaws.”
25	disdainful	adjective	Showing contempt or lack of respect.	“His disdainful treatment of critics suggests an unwillingness to genuinely engage with their objections.”
26	tentative	adjective	Not certain or fixed; done with hesitation.	“The author's tentative conclusions reflect an admirable caution given the limited available evidence.”
27	assertive	adjective	Having or showing a confident and forceful personality; stating opinions firmly.	“In contrast to her measured early work, her latest essay is markedly more assertive in its prescriptions.”
28	measured	adjective	Having a slow, regular rhythm; carefully considered.	“The author's measured response to her critics is more persuasive than an emotional rebuttal would have been.”
29	acerbic	adjective	Sharp and direct; critical in a harsh way.	“His acerbic review of the conference proceedings was widely quoted but rarely praised.”
30	sanguine	adjective	Optimistic or positive, especially in a difficult situation.	“The reviewer was sanguine about the technology's prospects, perhaps more so than the evidence warrants.”
31	earnest	adjective	Resulting from or showing sincere and intense conviction.	“The author's earnest appeal for educational reform is persuasive precisely because it lacks political calculation.”
32	rueful	adjective	Expressing sorrow or regret, especially in a wry way.	“The essay ends on a rueful note, acknowledging that the reforms the author advocated never materialized.”
33	didactic	adjective	Intended to teach, particularly in having moral instruction as an ulterior motive.	“The story's didactic message — that honesty always wins — is delivered without subtlety.”
34	speculative	adjective	Engaged in speculation; not based on definite knowledge.	“The essay moves into speculative territory when it claims that ancient societies were universally egalitarian.”
35	pragmatic	adjective	Dealing with things sensibly and realistically; practical rather than idealistic.	“The author takes a pragmatic stance: rather than demanding an ideal solution, she advocates for the best achievable one.”
36	temperate	adjective	Showing moderation; avoiding extremes of behavior.	“The panel's temperate response to provocative questions impressed observers who expected conflict.”
37	inflammatory	adjective	Tending to arouse strong emotion, especially anger; inciting controversy.	“The op-ed's inflammatory rhetoric generated more public heat than it shed analytical light.”
38	candid	adjective	Truthful and straightforward; frank.	“The author is candid about her own initial misconceptions, which lends credibility to her argument.”
39	indignant	adjective	Feeling or showing anger or annoyance at what is perceived as unfair treatment.	“The indignant tone of the petition reveals the depth of frustration among the signatories.”
40	wry	adjective	Using or expressing dry, especially mocking humor.	“The author's wry observation that every generation considers itself uniquely burdened undercuts the essay's nostalgia.”
41	sober	adjective	Serious, sensible, and solemn; not affected by strong emotion.	“The commission's sober assessment stands in sharp contrast to the optimistic projections of the developers.”
42	impartial	adjective	Treating all rivals or disputants equally; unbiased.	“The reviewer strives to be impartial, praising what merits praise and criticizing what deserves criticism.”
43	poignant	adjective	Evoking a keen sense of sadness or regret; deeply moving.	“The essay's poignant closing image — an abandoned schoolyard — distills its argument more powerfully than any statistic.”
44	incisive	adjective	Intelligently analytical and clear-thinking; penetrating.	“Her incisive critique of the methodology exposed flaws the original authors had not considered.”
45	reproachful	adjective	Expressing disapproval or disappointment.	“The reproachful tone of the editorial suggested that policymakers had betrayed a public trust.”
46	apprehensive	adjective	Anxious or fearful that something bad or unpleasant will happen.	“The author is apprehensive about the consequences of unchecked artificial intelligence development.”
47	exultant	adjective	Triumphantly happy; rejoicing greatly.	“The opening paragraph strikes an exultant tone, celebrating the scientific achievement as a turning point for humanity.”
48	withering	adjective	Intended to make someone feel mortified; devastatingly critical.	“The withering final sentence dismisses the entire argument as built on a false premise.”
49	concessive	adjective	Acknowledging an opposing point before presenting one's own; making concessions.	“The author's concessive opening — admitting the policy has costs — makes the overall argument more credible.”
50	detached	adjective	Not emotionally involved; keeping distance from the subject.	“The anthropologist writes with studied detachment, careful not to impose her own cultural values on the community she studies.”
51	resigned	adjective	Having accepted something unpleasant with quiet submission.	“The essay's resigned tone in its final paragraphs suggests the author no longer believes reform is possible.”
52	provocative	adjective	Causing strong reactions; stimulating debate.	“The deliberately provocative title attracted readers who might otherwise have ignored the argument.”
53	melancholic	adjective	Having or showing a feeling of pensive sadness.	“The essay's melancholic register suits a subject defined by loss and irreversibility.”
54	trenchant	adjective	Vigorous or incisive in expression or style.	“Her trenchant critique of the administration's climate record left no rhetorical exit for defenders.”
55	patronizing	adjective	Treating with apparent kindness that betrays a feeling of superiority.	“The article's patronizing tone toward its subject community undermines its stated commitment to equity.”
56	sardonic	adjective	Grimly mocking or cynical; disdainfully humorous.	“His sardonic account of bureaucratic incompetence is both funny and devastating.”
57	meditative	adjective	Relating to or absorbed in meditation; reflecting deeply.	“The essay's meditative pacing invites readers to sit with complexity rather than reach for easy conclusions.”
58	reproving	adjective	Expressing disapproval; admonishing.	“The reproving tone of the editorial implies that the governor knew better but chose to act otherwise.”

SAT Trap Words

These words have multiple meanings or are commonly confused with similar-sounding words. The SAT deliberately tests the less obvious meaning. Knowing these traps is worth significant points.

bemusedadjective

Definition: Confused or bewildered. (NOT amused.)

“She stared at the instructions, bemused by their contradictory directives.”

SAT Trap: Common mistake: 'bemused' sounds like 'amused' but means confused or puzzled, not entertained.

enervateverb

Definition: To weaken or drain of energy. (NOT energize.)

“The tropical heat enervated the soldiers within hours of their arrival.”

SAT Trap: Common mistake: Students guess 'energize' because it sounds like 'energy.' It means the opposite — to drain energy.

nonplussedadjective

Definition: So surprised and confused as to be speechless. (NOT unconcerned.)

“He was nonplussed by the sudden change of plan, unsure how to respond.”

SAT Trap: In American informal use, 'nonplussed' has drifted to mean 'unfazed,' but SAT uses the original meaning: bewildered.

sanctionnoun/verb

Definition: Both approval/permission AND a penalty. Context determines which.

“The committee sanctioned the research (approved it) / The council imposed sanctions (penalties) on the violating nation.”

SAT Trap: SAT tests this word because it has two opposite meanings. 'Sanction' can mean to officially approve OR to penalize.

cleaveverb

Definition: Both to split apart AND to stick closely to. Context determines which.

“The earthquake cleaved the rock face in two. / She cleaved to her principles despite enormous pressure.”

SAT Trap: Contronym: 'cleave' can mean to split or to adhere. Two opposite meanings in the same word.

sanguineadjective

Definition: Optimistic; positive. (NOT related to blood in modern usage.)

“Despite the setbacks, the project manager remained sanguine about meeting the final deadline.”

SAT Trap: Students may know 'sanguine' means 'bloody' in Latin. On the SAT, it means cheerfully optimistic.

restiveadjective

Definition: Unable to keep still; restless. (NOT calm or resting.)

“The restive crowd grew louder as the delay stretched past two hours.”

SAT Trap: Sounds like 'restful' but means the opposite: agitated, impatient.

sensuousadjective

Definition: Relating to the senses aesthetically. (NOT necessarily sexual.)

“The poem's sensuous imagery appeals to smell, touch, and sound simultaneously.”

SAT Trap: Students conflate 'sensuous' (appealing to the senses aesthetically) with 'sensual' (related to physical, often sexual pleasure).

disinterestedadjective

Definition: Impartial; unbiased. (NOT uninterested or bored.)

“An arbitrator must be entirely disinterested, free from any financial stake in the outcome.”

SAT Trap: Critical SAT distinction: 'disinterested' means impartial, not bored or uninterested. These are two different words with different meanings.

compriseverb

Definition: To consist of; to be made up of. The whole comprises the parts.

“The committee comprises twelve members drawn from five departments.”

SAT Trap: Correct: 'The whole comprises the parts.' Wrong: 'The parts comprise the whole.' SAT tests the direction of this relationship.

practicableadjective

Definition: Able to be done or put into practice. (NOT the same as 'practical.')

“The plan was theoretically sound but not practicable given existing budget constraints.”

SAT Trap: 'Practicable' means feasible/doable. 'Practical' means sensible/useful. These are related but distinct.

fortuitousadjective

Definition: Happening by chance. (NOT necessarily fortunate.)

“Their meeting was entirely fortuitous; neither had planned to attend the conference.”

SAT Trap: 'Fortuitous' means accidental or by chance — not lucky. A fortuitous event could be bad luck.

torpidadjective

Definition: Mentally or physically inactive; lethargic. (NOT rapid.)

“The torpid economy showed no signs of recovery despite government stimulus measures.”

SAT Trap: Students guess 'rapid' because it rhymes. 'Torpid' means sluggish or dormant.

appositeadjective

Definition: Apt; appropriate to the situation. (NOT the same as 'opposite.')

“The judge's apposite quotation from precedent settled the matter efficiently.”

SAT Trap: 'Apposite' means relevant and appropriate — nearly the opposite of 'opposite.'

ingenuousadjective

Definition: Innocent and unsuspecting; candid. (NOT the same as 'ingenious.')

“Her ingenuous surprise at the revelation seemed genuine, not performed.”

SAT Trap: 'Ingenuous' means naively honest. 'Ingenious' means cleverly inventive. Two completely different words that look similar.

fulsomeadjective

Definition: Complimentary to an excessive degree; insincere or overdone. (NOT simply 'full' or 'abundant.')

“The fulsome praise in the dedication struck readers as calculated rather than heartfelt.”

SAT Trap: Students assume 'fulsome' means 'full and complete.' It actually suggests excessive and insincere flattery.

decimateverb

Definition: To drastically reduce; to destroy a large proportion. (NOT to destroy completely.)

“The drought decimated the harvest, reducing yields by more than forty percent.”

SAT Trap: 'Decimate' literally meant to kill one in ten (Roman punishment). On SAT, it means to severely reduce — not total destruction.

reticentadjective

Definition: Reluctant to speak; reserved. (NOT reluctant in general.)

“She was reticent about her personal life, revealing nothing to the interviewer beyond what was strictly necessary.”

SAT Trap: 'Reticent' specifically means reluctant to speak or reveal information — not reluctant to do anything in general.

literallyadverb

Definition: In a literal manner, without exaggeration; actually. (SAT tests careful literal usage.)

“The author states literally and without irony that she found the experience transformative.”

SAT Trap: SAT uses 'literally' in its strict meaning. Context questions may ask whether an author means something literally or figuratively.

ostensiblyadverb

Definition: Apparently or supposedly, but not necessarily actually.

“The department's ostensibly neutral policy had in practice favored senior employees.”

SAT Trap: 'Ostensibly' signals a gap between appearance and reality — what something looks like versus what it actually is.

precipitateadjective/verb

Definition: As adjective: sudden and hasty. As verb: to cause something to happen suddenly.

“The hasty and precipitate decision to withdraw funding left dozens of projects incomplete.”

SAT Trap: 'Precipitate' as an adjective means rash or hasty — not related to precipitation (rain). SAT tests the adjective meaning.

temperverb

Definition: To moderate or mitigate; to soften the effect of something. (NOT only anger.)

“The author's enthusiasm for the technology is tempered by an awareness of its risks.”

SAT Trap: In SAT reading passages, 'temper' most often means to moderate or restrain — not referring to anger.

Context-word study strategies

Read the full sentence, not just the blank

The most common error on SAT vocabulary questions is choosing a word that fits the blank in isolation. Always read the full sentence — the blank must fit the meaning of the entire passage context.

Eliminate by connotation

Even when two answer choices seem to mean the same thing, their connotations differ. 'Sardonic' and 'ironic' both describe humor, but sardonic implies contempt. Match the word's emotional register to the passage.

Know your trap words cold

The SAT deliberately tests non-obvious meanings of words like 'bemused,' 'enervate,' 'disinterested,' and 'sanction.' Memorize the 20+ trap words in the section above — these appear repeatedly.

Study by passage type

Words that appear in natural science passages often have technical meanings different from everyday usage. Study words in the context of their most likely passage type to build accurate associations.

Test your vocabulary on a full Digital SAT

Encounter these words in authentic SAT-style passages with a full-length practice exam.

Take a Free SAT Practice Exam →