RichThesaurus
as sharp as a tack
as sharp as a tack
synonyms
wily
sharp-witted
clever
shrewd
savvy
artful
whip-smart
crafty
acute
astute
pawky
cunning
canny
sharp
long-headed
smart
prudent
sensible
discerning
ingenious
cautious
fly
quick-witted
on the ball
resourceful
sagacious
wise
sussed
discriminating
heads-up
argute
cute
neat
perceptive
judicious
sapient
intelligent
perspicacious
foxy
careful
circumspect
calculating
slick
quick
suss
penetrating
as sharp as a tack
antonyms
foolish
ill-advised
reckless