imbecilic Synonyms

softheaded terebrate subnormal stupid slow-witted simple-minded silly sheep-headed senseless risible ridiculous retarded preposterous thick thick-headed vacuous unintelligent half-baked moronic ill-conceived mentally retarded wooden-headed thickheaded boneheaded dopey feebleminded empty-headed witless obtuse nonsensical daft cretinous chuckleheaded changeling buffle-headed brainless bovine boeotian blockheaded beetle-headed asinine addle-pated dense doltish dozy mindless laughable irrational inane imbecile