1
[ noun ] a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech

Related terms

sound mumble murmur

2
[ adjective ] speaking low and indistinctly

Synonyms

mumbling

Examples

"a mumbling parson stood beside the dying man" "muttering crowds of onlookers"

Related terms

speaking

3
[ noun ] a complaint uttered in a low and indistinct tone

Related terms

complaint murmur

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