Synonyms of sharp-sighted

1 Syllable
prompt, keen, bright, shrewd, whiz, slick, apt, sharp, quick, wise
2 Syllables
brainy, ready, alert, witty, knowing, wired, savvy, brilliant, clever, canny
3 Syllables
astute, quick-witted, sharp-witted, facetious, humorous, acute, agile
4 Syllables
perceptive, nimble-witted, penetrating, intelligent
5 Syllables
penetrative