Definition: sharpness in association with hearing, sight, or thought
Part of Speech: Noun
Synonym(s): sharpness, keenness
Antonym(s): flatness, vagueness
1. Raven wears glasses because of her poor visual acuity.
2. Do you think your mental acuity test results will be good enough to get you in the gifted courses?
3. The loud explosion decreased my auditory acuity and left me partially deaf.