· a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
Synonym(s): mutter, muttering, murmuring, murmuration, mussitation
Hypernym(s): sound
· a schwa that is incidental to the pronunciation of a consonant
Synonym(s): murmur_vowel
· an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves
Synonym(s): heart_murmur, cardiac_murmur
Hypernym(s): symptom
· a complaint uttered in a low and indistinct tone
Synonym(s): grumble, grumbling, murmuring, mutter, muttering
Hypernym(s): complaint
· speak softly or indistinctly; "She murmured softly to the baby in her arms"
Hypernym(s): talk, speak, utter, mouth, verbalize, verbalise
· make complaining remarks or noises under one's breath; "she grumbles when she feels overworked"
Synonym(s): mutter, grumble, croak, gnarl
Hypernym(s): complain, kick, plain, sound_off, quetch, kvetch