Meaning & Definition
noun
the ability to think, understand, and make good judgments; sharpness or keenness of thought, vision, or hearing.
The acuity of her insights impressed her colleagues during the meeting.
sharpness or keenness of perception, particularly in relation to sight.
Doctors often assess the acuity of a patient's vision before and after treatment.
the degree of sharpness of a sensory ability or perception.
The acuity of his sense of smell was remarkable, allowing him to identify spices with ease.
Etymology
From Latin 'acuitas', meaning 'sharpness'.
Common Phrases and Expressions
mental acuity:
The ability to think quickly and clearly.
acuity of vision:
The sharpness or clarity of sight.
acuity tests:
Examinations to measure sharpness of vision or hearing.
Slang Meanings