ACUITY Definition & Meaning

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acuity

[ uh-kyoo-i-tee ]

Phonetic (Standard)IPA

noun

sharpness; acuteness; keenness:
acuity of vision;
acuity of mind.

acuity

/ əˈ��ːɪ��ɪ /

noun

keenness or acuteness, esp in vision or thought
the capacity of the eye to see fine detail, measured by determining the finest detail that can just be detected

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Other 51�Թ� Forms

��p��·��·��i·�ٲ� noun
�Դǲ�a·��i·�ٲ� noun

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51�Թ� History and Origins

Origin of acuity¹

First recorded in 1375–1425; late Middle English acuite, from Old French, from Medieval Latin, Late Latin ��ܾ��, equivalent to Latin acu(ere) to sharpen or ��ū ( tus ) sharpened ( acute ) + -�� -ity

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51�Թ� History and Origins

Origin of acuity¹

C15: from Old French, from Latin ��ūtus acute

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Example Sentences

Examples have not been reviewed.

"His mental acuity is great," he said in the clip.

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Maybe that’s the trick: Whatever you lose in mental acuity, you lose the same amount in self-awareness.

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Harris, riding a wave of enthusiasm from Democrats who had grown concerned about Biden’s age and mental acuity, initially surged in the polls.

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Biden’s debate offered a stark window into the fading acuity of a sitting president.

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He exited the presidential race after appearing so befuddled in a July debate against Trump that many in the country began to question his mental acuity and his ability to lead.

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