noun
a low continuous indistinct sound
Synonyms
Examples
- often accompanied by movement of the lips without the production of articulate speech
noun
a complaint uttered in a low and indistinct tone
Synonyms
adjective
making a low continuous indistinct sound
Synonyms
Examples
- like murmuring waves
- susurrant voices
verb
speak softly or indistinctly
Synonyms
Examples
- She murmured softly to the baby in her arms
verb
make complaining remarks or noises under one's breath
Synonyms
Examples
- she grumbles when she feels overworked