usually suggests angry or discontented words or sounds of this kind to mutter curses
implies a continuous flow of words or sounds in a low, indistinct voice and may apply to utterances of satisfaction or dissatisfaction to murmur a prayer
is to utter almost inaudible or inarticulate sounds in low tones, with the mouth nearly closed an old woman mumbling to herself
Find another word for mumble. In this page you can discover 42 synonyms, antonyms, idiomatic expressions, and related words for mumble, like: mutter, grumble, murmur, sigh, sough, whisper, whimper, sounds, speak clearly, swallow one's words and stammer.