RichThesaurus
dumb as a sack of hammers
dumb as a sack of hammers
synonyms
dumb as a bag of hammers
mentally challenged
mentally retarded
not the sharpest knife in the drawer
unintelligent
obtuse
numbskulled
thick as two short planks
smooth-brained
lowbrow
muttonheaded
not the sharpest tool in the shed
thick as a plank
nitwitted
lamebrained
half-witted
fatheaded
slow
oafish
pratty
dumb as dirt
dumb as an ox
stupid
woolly-minded
dumber than a box of rocks
slow-witted
lunkheaded
foolish
woolly-headed
shit-for-brains
unsmart
thick as mince
fuckwitted
knuckleheaded
thick as pig shit
not the sharpest crayon in the box
idiotic
rockheaded
wool-headed
witless
dumber than a rock
moronic
retarded
unclever
thickwitted
mindless
peabrained
thick as champ
feeble-minded
dunderheaded
more synonyms
dumb as a sack of hammers
antonyms
intelligent