noun a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
noun a complaint uttered in a low and indistinct tone
Source: WordNet 3.1, Princeton University
Other words for “mutter”, grouped by meaning.
We found 12 synonyms for “mutter”. The most common are muttering, murmur, murmuring, murmuration, mussitation.
noun a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
noun a complaint uttered in a low and indistinct tone
Source: WordNet 3.1, Princeton University