1. [ noun ] (physiology,ophthalmology) sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart)
Synonyms: sharp-sightedness visual_acuity
Related terms: sight oxyopia
2. [ noun ] (psychology) a quick and penetrating intelligence
Synonyms: sharpness keenness acuteness

"he argued with great acuteness" "I admired the keenness of his mind"

Related terms: intelligence steel_trap
Similar spelling:   acquit