Dictionary & Thesaurus

1.

(satellite adjective) keenly perceptive or alert; "quick-sighted into the faults of the time"- Leonard Bacon

Synonyms: quick-sighted, sharp-eyed

2.

(satellite adjective) having very keen vision; "quick-sighted as a cat"

Synonyms: argus-eyed, hawk-eyed, keen-sighted, lynx-eyed, quick-sighted, sharp-eyed