acuity

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English[edit]

Etymology[edit]

From Middle English acuite, acuyte, from Middle French acuité, from Medieval Latin acuitas, irreg., from Latin acuō (sharpen).

Pronunciation[edit]

  • IPA(key): /əˈkjuːɪti/
  • (file)

Noun[edit]

acuity (plural acuities)

  1. Sharpness or acuteness, as of a needle, wit, etc.
  2. (figurative) The ability to think, see, or hear clearly.
    The old woman with dementia lost her mental acuity.
    • 2011 July 18, John Cassidy, “Mastering the Machine”, in The New Yorker[1], →ISSN:
      And yet Dalio’s acuity prompts an awkward question: how much of Bridgewater’s success comes not from the way it is organized, or any notion of “radical transparency,” but from the boss’s raw investment abilities?

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Translations[edit]

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Further reading[edit]