Definition of ACUITY

acuity

Plural: acuities

Noun

  • Sharpness or keenness of thought, vision, or hearing.
  • sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
  • a quick and penetrating intelligence
  • Sharpness or acuteness, as of a needle, wit, etc.
  • The ability to think, see, or hear clearly.

Examples

  • The old woman with dementia lost her mental acuity.
  • Winning at Words With Friends requires mental acuity and a vast vocabulary.

Origin / Etymology

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

Synonyms

acuteness, keenness, sharp-sightedness, sharpness, visual acuity, wisdom

Scrabble Score: 11

acuity: valid Scrabble (US) TWL Word
acuity: valid Scrabble Word in Merriam-Webster MW Dictionary
acuity: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 12

acuity: valid Words With Friends Word