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SAT · Reading & Writing
Vocabulary Notes — Words in Context
High-frequency academic vocabulary for the digital SAT, organised by meaning cluster with nuance notes and commonly confused pairs.
How the Digital SAT Tests Vocabulary
The digital SAT no longer tests obscure or archaic words. Instead, it tests words in context — you read a sentence or short passage and choose the word that best fits the meaning, tone, and logic of that specific context.
What this means for you:
- Definitions alone are not enough — you need to understand nuance and register.
- The wrong answers are always plausible-sounding words; eliminate by checking tone and logic.
- Learn words in families: advocate, assert, contend, maintain all mean "to argue" — but each has a slightly different weight.
Strategy: Read the sentence, predict a meaning before looking at the options, then find the closest match.
Words for Arguing and Claiming
| Word | Meaning | Nuance |
|---|---|---|
| assert | to state confidently | forceful, no qualifier |
| contend | to argue a position | implies debate or disagreement |
| advocate | to publicly support a cause | implies active promotion |
| maintain | to continue to assert despite challenge | defensive, under pressure |
| concede | to admit something is true | gives ground to the other side |
| acknowledge | to recognise the existence of something | more neutral than concede |
| refute | to prove wrong | requires counter-evidence |
| dispute | to challenge or question | does not require proof |
Words for Supporting or Weakening
| Word | Meaning |
|---|---|
| bolster / buttress | to strengthen or support (an argument or claim) |
| substantiate | to provide evidence for |
| corroborate | to confirm using independent evidence |
| validate | to confirm correctness or legitimacy |
| undermine | to weaken gradually |
| contradict | to directly oppose |
| refute | to disprove conclusively |
Words for Describing Uncertainty
| Word | Meaning |
|---|---|
| speculate | to form a theory without firm evidence |
| hypothesise | to propose an untested explanation |
| conjecture | an opinion without sufficient evidence (more formal) |
| imply | to suggest without stating directly |
| infer | to conclude from evidence (done by the reader, not the writer) |
| tenuous | weak, thin, hard to justify |
| ambiguous | open to more than one interpretation |
| equivocal | deliberately vague to avoid commitment |
Words for Attitude and Approach
| Word | Meaning |
|---|---|
| pragmatic | focused on practical results, not ideology |
| sceptical | doubting the truth of something |
| cynical | distrustful of people's motives |
| ambivalent | having mixed or conflicting feelings |
| candid | frank and direct, sometimes bluntly so |
| guarded | cautious about revealing information |
| reluctant | unwilling, hesitating |
| resolute | firmly determined |
| wary | cautious because of possible danger or deception |
Words for Describing Thoroughness and Rigour
| Word | Meaning |
|---|---|
| meticulous | very careful and precise |
| rigorous | strictly applied, not allowing deviation |
| exhaustive | covering everything, leaving nothing out |
| scrutinise | to examine very closely |
| painstaking | taking great care and effort |
| cursory | hasty and not thorough (often negative in SAT passages) |
| superficial | dealing only with surface appearances |
Words That Describe Change or Impact
| Word | Meaning |
|---|---|
| exacerbate | to make worse |
| mitigate | to make less severe |
| alleviate | to partially relieve (pain, problems) |
| erode | to gradually wear away |
| bolster | to strengthen |
| diminish | to make or become smaller |
| catalyse | to trigger or accelerate a process |
| culminate | to reach the highest point or final result |
Common High-Frequency Words
| Word | Meaning | Example context |
|---|---|---|
| ubiquitous | present everywhere | Smartphones are now ubiquitous. |
| ephemeral | lasting only a short time | Social media fame is often ephemeral. |
| paradox | a statement that seems contradictory but may be true | It is a paradox that… |
| nuanced | acknowledging fine distinctions | A nuanced analysis |
| contemporary | existing or occurring at the same time; modern | Contemporary art |
| prominent | well-known, important | A prominent researcher |
| eloquent | fluent and persuasive in speech or writing | An eloquent argument |
| impartial | not biased | An impartial judge |
| inevitable | certain to happen | Inevitable change |
| benign | gentle, harmless (also: non-cancerous in medical context) | A benign tumour |
| innocuous | not harmful or offensive | An innocuous remark |
| rigorous | extremely thorough | Rigorous testing |
| pragmatic | dealing with things practically | A pragmatic solution |
Easily Confused Pairs
| Pair | Difference |
|---|---|
| imply vs infer | The text implies; the reader infers. |
| ambiguous vs ambivalent | Ambiguous = unclear meaning; ambivalent = mixed feelings. |
| refute vs dispute | Refute = prove wrong; dispute = challenge without proof. |
| concede vs acknowledge | Concede gives ground; acknowledge just recognises. |
| benign vs innocuous | Nearly synonymous — benign has a medical sense; innocuous is more everyday. |
| sceptical vs cynical | Sceptical = doubting this claim; cynical = distrusting people generally. |
| pragmatic vs practical | Very similar — pragmatic has a philosophical weight; practical is more everyday. |