slighty Antonyms

awkward feather-brained not the sharpest knife in the drawer slow on the uptake soft in the head thick as two short planks most stupid as thick as two short planks as dumb as a box of rocks as dumb as an ox not very quick dumber than a rock dumb as dirt maladroit naive stupid cack-handed daft as a brush dumb as a bag of hammers dumb as a box of rocks dumb as a doorknob dumb as a post dumb as a sack of hammers as daft as a brush