noun

acuity

uh-KYOO-i-tee

Acuity (noun) means Sharpness — of vision, hearing or thought. Example: “Visual acuity is measured on a standard chart.”

noun

Sharpness — of vision, hearing or thought.

"Visual acuity is measured on a standard chart."

"She brought real acuity to the analysis."

How to Use Acuity

Learner’s notes

In plain EnglishSharpness — of sight, hearing or thinking.

Memory tip

Same root as acute — both mean sharp.

Trace the full origin ↓

Common pairings

visual acuity mental acuity business acuity

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Visual _____ is measured on a standard chart.

From Latin "acuitas," sharpness, from "acuere" (to sharpen) — the same root as acute.

Origin: Latin

sharpness keenness astuteness

dullness

interest edge intelligence desire depth enthusiasm clarity thickness

city pity deity parity entity brevity opacity paucity ability quality reality annuity

What does acuity mean?

Sharpness or keenness. It describes how well the senses work — especially sight — and also how sharp someone's thinking is.

What is visual acuity?

A measure of how clearly you can see fine detail at a set distance, usually reported as a fraction such as 20/20 or 6/6.

interest edge intelligence desire depth enthusiasm clarity thickness