If you’ve spent any time at all preparing for the SAT, you know how important a mastery of English vocabulary is to Reading & Writing success. You don’t need to know every single word, of course, but you should recognize the right ones.
The August SAT served up an abundance of both previously encountered and as-yet-unseen vocabulary. Thanks to all those self-prep heroes on the r/SAT subreddit—led by supermod yodatsracist—for sharing the most challenging vocabulary they encountered on the U.S. and International administrations of the August 2026 SAT.
➡️ Here are the challenging August 2026 words we’ve already featured on Roots2Words:
abatement (noun) - the act or condition of lessening or reducing; that which is lessened or reduced; mitigation, suppression, or termination 🔥🔥 Top 15 SAT Word of 2025 🔥🔥
BREAKDOWN: A- (toward) + BAT- (beat) + -MENT (act or state)
abridge (verb) - to shorten, reduce, or diminish 🔥🔥 Top 15 SAT Word of 2025 🔥🔥
BREAKDOWN: A- (to) + BRIDGE- (short)
ambiguous (adj) - open to or having two or more possible meanings or interpretations
BREAKDOWN: AMBI- (both) + IG- (do) + -OUS (full of)
amenable (adj) - ready and willing to accept, agree, or cooperate; suggestible, controllable, or yielding
BREAKDOWN: A- (to) + MEN- (threaten) + -ABLE (able to be)
anomalous (adj) - abnormal, peculiar, or irregular; deviating or departing from the common order, form, or rule
BREAKDOWN: AN- (not) + HOMO- (same) + -AL (pertaining to) + -OUS (full of)
assuage (verb) - to ease, moderate, soften, or satisfy
BREAKDOWN: AS- (to) + SUAS- (sweet, pleasant)
depict (verb) - to show, represent, or describe in words or pictures
BREAKDOWN: DE- (down) + PICT- (to paint)
detrimental (adj) - tending to cause harm or damage; pernicious or adverse
BREAKDOWN: DE- (away) + TERE- (to rub) + -MENT (action) + -AL (pertaining to)
discrepancy (noun) - a lack of agreement, consistency, or compatibility; an unexpected difference or incongruity
BREAKDOWN: DIS- (apart) + CREP- (to creak or crack) + -ANCY (state of)
exacerbate (verb) - to increase the severity, bitterness, or violence of; to make worse
BREAKDOWN: EX- (out) + ACERB- (sharp) + -ATE (make)
idiosyncratic (adj) - peculiar to a specific individual; having strange, specific, or distinctive habits 👉 second time in a row 👈
BREAKDOWN: IDIO- (peculiar) + SYN- (together) + CRA- (mixture) + -TIC (characterized by)
impertinent (adj) - intrusive, disrespectful, or rude; irrelevant or out of place
BREAKDOWN: IM- (not) + PER- (thoroughly) + TIN- (hold) + -ENT (being)
incongruous (adj) - not in keeping, matching, or fitting in; out of place or harmony
BREAKDOWN: IN- (not) + CON- (with) + GRU- (rush, fall) + -OUS (inclined to)
rectify (verb) - to set right; to correct or straighten
BREAKDOWN: RECT- (right) + -FY (to make)
redundancy (noun) - the state of being superfluous or repetitive
BREAKDOWN: RE- (again) + UND- (to flow or rise) + -ANCY (quality)
transcend (verb) - to rise above or go beyond standards or limits; to surpass or exceed
BREAKDOWN: TRANS- (beyond) + SCEN- (climb)
➡️ Many of the challenging words we haven’t covered (yet) were based on word roots:
abstruse (adj) - difficult to understand; unfathomable or profound
BREAKDOWN: AB- (away) + TRUS- (to thrust or push)
attenuate (verb) - to weaken or reduce in amount, force, or magnitude; to make longer and thinner 🔥🔥 Top 15 SAT Word of 2025 🔥🔥
BREAKDOWN: A- (to) + TENU- (stretch) + -ATE (to make)
belie (verb) - to contradict or give a false impression of
BREAKDOWN: BE- (to make) + LIE- (to deceive or lie)
complicate (verb) - to make something more difficult, intricate, or involved
BREAKDOWN: COM- (with) + PLIC- (to plait or fold) + -ATE (to do)
entitled (adj) - having or assuming a right to certain benefits or privileges; given a name
BREAKDOWN: EN- (in) + TITL- (title) + -ED (made or done)
extricate (verb) - to rescue or remove from a difficulty or tricky situation
BREAKDOWN: EX- (out) + TRIC- (deceit, difficulty) + -ATE (to make or do)
habituate (verb) - to accustom or grow used to
BREAKDOWN: HABIT- (custom or demeanor) + -UATE (to make or do)
imbue (verb) - to fill, soak, or saturate with something
BREAKDOWN: from the Latin imbuere meaning to soak or saturate; connected to imbibe
imperceptible (adj) - too small in magnitude to be observed by the senses; not detectable
BREAKDOWN: IM- (not) + PER (thoroughly) + CEPT- (grasp) + -IBLE (able to be)
insolvency (noun) - the state of being unable to pay debts
BREAKDOWN: IN- (not) + SOLU- (to release) + -ENCY (state of)
insular (adj) - closed off to new ideas or narrow-minded; pertaining to an island
BREAKDOWN: INSULA- (island) + -AR (pertaining to)
invariable (adj) - constant; not subject to change
BREAKDOWN: IN- (not) + VARI- (to change) - ABLE (able to be)
malicious (adj) - cruel, spiteful, or intending harm
BREAKDOWN: MAL- (bad) + -ICIOUS (full of)
nominal (adj) - existing or being such in name only; small or trifling; titular or so-called
BREAKDOWN: NOMEN- (name) + -AL (pertaining to)
portentous (adj) - ominous, or threatening; self-consciously serious or solemn; momentous
BREAKDOWN: POR- (forth) + TENS- (stretch) + -OUS (full of)
precipitation (noun) - any of the forms of liquid or solid water particles that fall from the upper atmosphere
BREAKDOWN: PRE- (forth) + CAPIT- (head) + -ATION (action)
primacy (noun) - the state or condition of being first or above all others in place or rank; superiority; excellence
BREAKDOWN: PRIM- (first or foremost) + -ACY (state of being)
reconcile (verb) - to re-establish a friendship with someone; to settle or resolve a dispute; to make compatible
BREAKDOWN: RE- (back) + CONCIL- (meeting)
regale (verb) - to entertain, amuse, or delight
BREAKDOWN: RE- (again) + GAL- (make merry)
reprieve (noun) - a respite or relief from punishment or suffering
BREAKDOWN: RE- (back) + PRIEV- (to hold)
subordinate (adj) - lower in rank or less important; submissive or supporting
BREAKDOWN: SUB- (under) + ORDIN- (row, rank, or series) + -ATE (being)
supplant (verb) - to replace or supersede, usually by force or strategy
BREAKDOWN: SUB- (under) + PLANT- (sole of the foot)
tentative (adj) - provisional, conditional, or uncertain
BREAKDOWN: TENT- (to feel or try) + -ATIVE (inclined to)
upend (verb) - to turn something upside down or tip it over; to entirely disrupt and change a situation
BREAKDOWN: UP- (up) + END- (conclusion or boundary)
➡️ As is often the case, every challenging vocabulary word on this test possessed a clear connection to classical roots. Aren’t you glad you follow Roots2Words?
✨ If the SAT is in your future, you should learn all of these words. For more Vocab Audits, explore our SAT/ACT Resources page. ✨
“Words can light fires in the minds of men. Words can wring tears from the hardest hearts.” —Patrick Rothfuss