Found 3 synonyms
Synonyms:
dullard, dunce, airhead, chucklehead, numskull.Synonyms:
moron, nitwit, imbecile, jackass, dimwit, dunderhead, knucklehead, meathead, doofus, donkey, lunkhead.Synonyms:
simpleton, ninny, stupid, numbskull, mutt, bonehead, goon, fool, chump, goof, dummy.