MUTTER
grumble, grumbling, murmur, murmuring, mutter, muttering
(noun) a complaint uttered in a low and indistinct tone
mutter, muttering, murmur, murmuring, murmuration, mussitation
(noun) a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
murmur, mutter, grumble, croak, gnarl
(verb) make complaining remarks or noises under one’s breath; “she grumbles when she feels overworked”
mumble, mutter, maunder, mussitate
(verb) talk indistinctly; usually in a low voice
Source: WordNet® 3.1
Etymology 1
Noun
mutter (plural mutters)
A repressed or obscure utterance; an instance of muttering.
Verb
mutter (third-person singular simple present mutters, present participle muttering, simple past and past participle muttered)
To utter words, especially complaints or angry expressions, indistinctly or with a low voice and lips partly closed; to say under one's breath.
To speak softly and incoherently, or with imperfect articulations.
To make a sound with a low, rumbling noise.
Synonyms
• (speak under one's breath): growl, grumble, mumble
• (speak incoherently): babble, mumble, murmur, ramble, stutter
• (make a low sound): growl, putter, rumble
• See also mutter
Etymology 2
Noun
mutter
(Indian cuisine) Peas.
Source: Wiktionary
Mut"ter, v. i. [imp. & p. p. Muttered; p. pr. & vb. n. Muttering.]
Etym: [Prob. of imitative origin; cf. L. muttire, mutire.]
1. To utter words indistinctly or with a low voice and lips partly
closed; esp., to utter indistinct complains or angry expressions; to
grumble; to growl.
Wizards that peep, and that mutter. Is. viii. 19.
Meantime your filthy foreigner will stare, And mutter to himself.
Dryden.
2. To sound with a low, rumbling noise.
Thick lightings flash, the muttering thunder rolls. Pope.
Mut"ter, v. t.
Definition: To utter with imperfect articulations, or with a low voice; as,
to mutter threats. Shak.
Mut"ter, n.
Definition: Repressing or obscure utterance.
Source: Webster’s Unabridged Dictionary 1913 Edition