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

[ Syn: mutter , muttering , murmuring , murmuration , mussitation ]

a schwa that is incidental to the pronunciation of a consonant

[ Syn: murmur vowel ]

an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves

[ Syn: heart murmur , cardiac murmur ]

a complaint uttered in a low and indistinct tone

[ Syn: grumble , grumbling , murmuring , mutter , muttering ]

speak softly or indistinctly; She murmured softly to the baby in her arms'

make complaining remarks or noises under ones breath; she grumbles when she feels overworked

[ Syn: mutter , grumble , croak , gnarl ]