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Definitions

American Heritage® Dictionary of the English Language, Fourth Edition

  1. n. Acuteness of vision or perception; keenness.

Century Dictionary and Cyclopedia

  1. n. Sharpness; acuteness.

Wiktionary

  1. n. Sharpness or acuteness, as of a needle, wit, etc.

GNU Webster's 1913

  1. n. Sharpness or acuteness, as of a needle, wit, etc.

WordNet 3.0

  1. n. a quick and penetrating intelligence
  2. n. sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)

Etymologies

  1. Middle English acuite, from Old French, ultimately from Latin acūtus, sharp; see acute.

Examples

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  • yarb It was the precise photographic picture of that other room. Everything in it rose before him and pressed itself upon his vision with the same acuity of distinctness as the objects surrounding him.

    - Edith Wharton, The Reef Jun 18, 2008

‘acuity’ has been looked up 2308 times, loved by 6 people, added to 24 lists, commented on 1 time, and has a Scrabble score of 11.