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acuity

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/æˈkjuːɪti/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/əˈkjuɪti/ ,USA pronunciation: respelling(ə kyo̅o̅′i tē)

a•cu•i•ty /əˈkyuɪti/USA pronunciation n. [uncountable]

sharpness;
acuteness:visual acuity; mental acuity.

See -acr-.

a•cu•i•ty (ə kyo̅o̅′i tē),USA pronunciation n.

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

Medieval Latin, Late Latin acuitās, equivalent. to Latin acu(ere) to sharpen or acū(tus) sharpened (see acute) + -itās -ity
Old French
late Middle English acuite 1375–1425

Collins Concise English Dictionary © HarperCollins Publishers::

acuity /əˈkjuːɪtɪ/ n

keenness or acuteness, esp in vision or thought

Etymology: 15th Century: from Old French, from Latin acūtus acute

'acuity' also found in these entries (note: many are not synonyms or translations):

optometry - twenty-twenty - agility - aptitude test - audiometer - dexterous - perspicacity - V, v - visual acuity - wit - sharp-witted

🗣️Forum discussions with the word(s) "acuity" in the title:

said members whom he can single out with ruthless acuity
with ruthless acuity

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⇱ acuity - WordReference.com Dictionary of English

acuity