SAT High Frequency Words List: High Academic Register (21–30)

Vocabulary practice cards featuring definitions and synonyms for high-frequency SAT words (numbers 21 through 30) from the High Academic Register list.

Attest

Provide or serve as clear evidence of. (Synonyms: Certify, Corroborate, Substantiate)

Attrition

The process of reducing something's strength or effectiveness through sustained attack or pressure. (Synonyms: Enfeebling, Attenuation, Weakening)

Augment

Make greater by adding to it or increasing. (Synonyms: Supplement, Amplify, Elevate)

Auspicious

Conducive to success; favourable. (Synonyms: Propitious, Promising, Opportune)

Austere

Severe or strict in manner or attitude. (Synonyms: Stern, Frosty, Stringent)

Banal

So lacking in originality as to be obvious and boring. (Synonyms: Hackneyed, Platitudinous, Vapid)

Begrudgingly

Reluctantly or resentfully. (Synonyms: Belligerently, Rudely, Contemptuously)

Buttress

A source of defence or support. (Synonyms: Strengthen, Reinforce, Fortify)

Calibrate

Mark (a gauge or instrument) with a standard scale of readings. (Synonyms: Measure, Compute, Gauge)

Candor

The quality of being open and honest. (Synonyms: Sincerity, Truthfulness, Frankness)