Synonyms of blunderous

1 Syllable
slow, dumb
2 Syllables
stumbling, simple, bumbling, gawky, bungling, klutzy, lumpish, oafish, inept, clumsy, gawkish, clumsier
3 Syllables
ignorant, lumbering, graceless, ungainly, blundering, idiotic, ham-handed, ill-shaped, lubberly, moronic, half-witted
4 Syllables
inelegant, undexterous, heavy-handed, simpleminded
5 Syllables
unintelligent, butterfingered, uncoordinated