Synonyms of moronic

1 Syllable

dumb, dull

2 Syllables

tomfool, pointless, duller, numbskull, foolish, pottier, fatuous, witless, dense, gorked, stupid, doltish, oafish, dopey, dullest, gawkish, loopy, nescient, dumdum, lagging, brainless, mindless, dippy, potty

3 Syllables

unstudious, stupidest, dimwitted, ignorant, slow-witted, nitwitted, softheaded, half-baked, retardo, senseless, inane, cretinous, idiotic, blunderous, ludicrous, lubberly, unthinking, retarded, thick-headed, squirrelly

4 Syllables

boneheaded, imbecilic, ill-advised, imbecile, unscholarly, uninstructed, nonsensical, simple-minded, asinine, simpleminded, feebleminded, cockamamy

5 Syllables

unintelligent, unintellectual, underachieving, unknowledgeable, irresponsible, butterfingered, unprogressive