In a sentence
Years of practice gave the chess master remarkable mental acuity.
Synonyms
sharpnesskeennessacutenessperceptiveness
Antonyms
dullnessobtuseness
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See all More GRE words starting with A
abase
to lower in rank, dignity, or self-respect
abash
to make someone feel embarrassed or ashamed
abate
to lessen in intensity or amount
abdicate
to formally give up power or responsibility
aberrant
departing from what is normal or expected
aberration
a departure from what is normal, usual, or expected
abeyance
a state of temporary suspension or inactivity
abhor
to regard with strong disgust or hatred
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.