thickheaded Synonyms

boneheaded thick-skulled thick wooden-headed fatheaded blockheaded airheaded barmy addlepated addlebrained wooden witless vapid vacuous terebrate stupid slow-witted empty-headed dopey slow on the uptake pea-brained muttonheaded lamebrained unintelligent imbecilic dunderheaded dimwitted dim-witted birdbrained moronic mentally retarded soft in the head slow simple-minded silly dull dozy dotish doltish dim dense daft cretinous crazy chuckleheaded brainless bovine blunt-witted blockish dull-witted