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3 definitions found
 for acuity
From The Collaborative International Dictionary of English v.0.48 :

  Acuity \A*cu"i*ty\, n. [LL. acuitas: cf. F. acuit['e].]
     Sharpness or acuteness, as of a needle, wit, etc.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

  acuity
      n 1: sharpness of vision; the visual ability to resolve fine
           detail (usually measured by a Snellen chart) [syn:
           acuity, visual acuity, sharp-sightedness]
      2: a quick and penetrating intelligence; "he argued with great
         acuteness"; "I admired the keenness of his mind" [syn:
         acuteness, acuity, sharpness, keenness]

From Moby Thesaurus II by Grady Ward, 1.0 :

  81 Moby Thesaurus words for "acuity":
     acridity, acumen, acumination, acuteness, adroitness, agility,
     alertness, apperception, aptitude, aptness, astuteness, attention,
     attentiveness, braininess, brightness, brilliance, clear thinking,
     cleverness, cogency, dexterity, discernment, edge, esprit,
     farseeingness, farsightedness, flair, foresight, foresightedness,
     genius, giftedness, gifts, incisiveness, insight, keen-wittedness,
     keenness, longheadedness, longsightedness, mental alertness,
     mercurial mind, mucronation, native cleverness, nimble mind,
     nimble-wittedness, nimbleness, nous, penetration, perception,
     perceptiveness, percipience, perspicaciousness, perspicacity,
     perspicuity, perspicuousness, pointedness, prickliness,
     promptitude, promptness, providence, punctuality, quick parts,
     quick thinking, quick wit, quick-wittedness, quickness, readiness,
     ready wit, sagaciousness, sagacity, savvy, sensibility,
     sharp-wittedness, sharpness, sleeplessness, smartness, smarts,
     spinosity, sprightly wit, talent, thorniness, trenchancy,
     wakefulness
  
  

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