Synonyms of mumble

1 Syllable

hums, hum, speak, talk, sough, tal

2 Syllables

groaned, fussed, soughed, stammer, purred, utter, groaning, whispers, gibbers, ramble, jabber, snarled, maunder, swallow, mucking, spake, hummed, rumble, snarling, whine, fussing, soughing, murmurs, purring, spoke, mutter, mucked, stutter, murmur, grumble, voice, whimper, jabbers, whisper, gibber

3 Syllables

gibbering, jabbered, jabbering, murmuring, susurrus, disorient, murmured

4 Syllables

murmuration, misarranged, trivialized, bombilate, verbalizing, verbalize, trivialize, misarrange, divulgence, susurration, vocalize, yakkety-yak, undertone, trivializing, susurrate, verbalized