1. (noun) acuity, visual acuity, sharp-sightedness
sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
Synonyms: keenness, alertness, visual acuity, on the qui vive, sharp-sightedness, sharpness, acuteness, acuity
2. (noun) acuteness, acuity, sharpness, keenness
a quick and penetrating intelligence
Synonyms: keenness, distinctness, eagerness, pungency, edge, visual acuity, sharp-sightedness, asperity, raciness, avidness, bite, avidity, sharpness, acuteness, acuity
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Synonyms and Antonyms of acuity 
