Dictionary & Thesaurus

1.

(noun) the visual ability to resolve fine detail

Synonyms: sharp-sightedness, visual acuity

Related Words: sight, vision, visual modality, visual sense

2.

(noun) a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"

Synonyms: acuteness, keenness, sharpness

Related Words: intelligence, steel trap