RichThesaurus
sharp-sighted
sharp-sighted
synonyms
sharp-eyed
quick-sighted
hawk-eyed
lynx-eyed
keen-sighted
argus-eyed
perceptive
acute
alert
sharp
sharp-witted
astute
on the ball
shrewd
intelligent
clever
wise
observant
penetrating
quick
canny
discerning
downy
heads-up
perspicacious
quick-witted
percipient
long-headed
intuitive
far-sighted
suss
keen
sagacious
judicious
sensitive
clear-sighted
smart
discriminating
argute
open-eyed
sage
far-seeing
clear-eyed
understanding
with one's eyes/open/peeled/skinned
thinking
vigilant
wired
with eyes like a hawk
whiz
more synonyms
sharp-sighted
antonyms
stupid
uneducated
slow
weak
slow-witted
unobservant
dull
inattentive
obtuse