I . n.
1.
Whisper; low, continuous sound, hum.
2.
Complaint, plaint, whimper, grumble, mutter.
3.
Mutter, indistinct utterance, undertone.
II . v. n.
1.
Make a low, continued sound.
2.
Complain, repine, croak, grumble, mutter.
3.
Mutter, whisper.
I . n.
1.
Whisper; low, continuous sound, hum.
2.
Complaint, plaint, whimper, grumble, mutter.
3.
Mutter, indistinct utterance, undertone.
II . v. n.
1.
Make a low, continued sound.
2.
Complain, repine, croak, grumble, mutter.
3.
Mutter, whisper.
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012