n.
Simpleton, fool, dolt, ignoramus, witling, wiseacre, blockhead, block, numskull, dullard, thickhead, thick-skull, dunderhead, dunderpate, clodpoll, clodpate, beetle-head, bull-head, dull-head, addle-head, logger-head, chuckle-head, jolt-head, lack-brain, shallow-brain, moon-calf, lackwit, halfwit, oaf, changeling, booby, noodle, spooney, tony, nincompoop ( colloq. ), ninny, ninnyhammer, nonny, gaby, flat, sawney, driveller, noddy, natural, innocent, lout, stick, ass, jackass, donkey, owl, goose, coot, loon, calf, non-compos, stupid fellow, silly fellow.