Englishoafish
adjective
her oafish idiot of a son:
stupid, foolish, idiotic, cretinous;
ungainly, loutish, clumsy, awkward, gawkish, lumbering, ape-like, bearish, cloddish, clownish, doltish, Neanderthal, uncouth, uncultured, boorish, lumpen, rough, coarse, crass, brutish, blockish, rough-hewn, ill-mannered, badly behaved, unrefined, unsophisticated;
informal clodhopping, blockheaded, moronic, boneheaded, half-witted, dumb, lamebrained, chuckleheaded, thickheaded;
British, informal yobbish;
North American, informal chowderheaded;
archaic lubberly.
▷antonyms smart, clever, neat.
oafish Oxford Dictionary of English