- dullard
- ndolt, dunce, Inf. deadhead, blockhead, Sl. dummkopf, oaf, clod; loggerhead, thickhead, Inf. chump, Inf. coot, Inf. dummy, Sl. dodo, Sl. dope, Sl. dumbbell, Sl. meatball or meathead; fathead, numskull, beetlehead, bonehead, dunderhead, dunderpate, chucklehead, Sl. dumbhead, Sl. lunkhead, Sl. lard-head, Inf. knucklehead, Sl. stupidhead; donkey, ass, Sl. goon, lubber, lout; simpleton,. Simple Simon, sap-head, noodle, idiot, cuckoo, Inf. jay; idiot, Inf. moron, Sl. retread, imbecile, mooncalf, lamebrain, dim-wit, nit-wit, half-wit, Sl. zombie, goose; pinhead, Sl. birdbrain, scatterbrain, Sl. flake, rattlehead, rattlebrain, harebrain, Sl. dingbat, Sl. ding-a-ling, featherbrain, addle-brain, addle-head; fool, ninny, nincompoop, ninnyhammer, Sl. yo-yo, tomfool; All Sl. jerk, schmuck, boob, booby, noodle, nudnik, blubberhead; ignoramus, know-nothing, schlep, Inf. lightweight, lowbrow.
A Note on the Style of the synonym finder. 2014.