Synonyms of lunkhead

1 Syllable
dolt, goon, klutz, chump, boor, lout, clown, clod, beast, ox, fool, sap
2 Syllables
saphead, dullard, bumpkin, hayseed, dumdums, birdbrains, birdbrain, loser, screwball, halfwit, oxen, brute, airhead, bruiser, thickhead, dunce, idiot, bruisers, schlemiel, lummox, yokel, ding-dong, half-wit, moron
3 Syllables
clodhopper, simpleton, dunderhead, nincompoop, blunderer, clodpate
4 Syllables
imbecile