Found 3 synonyms
Synonyms:
imbecile, stupid, jackass, dork, cretin, simpleton, dimwit, goof, goon, knucklehead, dunderhead, prat, fool, chump, doofus, dope, mutt, bonehead, meathead, dummy, pinhead, schlub.Synonyms:
nitwit, blockhead, dunce, oaf, dullard, ninny, numbskull, airhead, numskull, chucklehead.