Synonyms of muttering

Noun

1. mutter, muttering, murmur, murmuring, murmuration, mussitation, sound

usage: a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech

2. grumble, grumbling, murmur, murmuring, mutter, muttering, complaint

usage: a complaint uttered in a low and indistinct tone

Verb

1. mumble, mutter, maunder, mussitate, talk, speak, utter, mouth, verbalize, verbalise

usage: talk indistinctly; usually in a low voice

2. murmur, mutter, grumble, croak, gnarl, complain, kick, plain, sound off, quetch, kvetch

usage: make complaining remarks or noises under one's breath; "she grumbles when she feels overworked"