To produce low sounds which blend continuously
To express by humming.
To reek, smell bad.
To make a sound from the vocal chords without pronouncing any real words, with one's lips closed.
To drone like certain insects naturally do in motion, or sounding similarly
To buzz, be busily active like a beehive
Synonym of um: a noise indicating doubt, uncertainty, &c.
Synonym of hmm: a noise indicating thought, consideration, &c.
Unpleasant odour.
A phenomenon, or collection of phenomena, involving widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise not audible to all people.
Busy activity, like the buzz of a beehive.
A hummed tune, i.e. created orally with lips closed.
An often indistinct sound resembling human humming.
To make a low, sibilant sound.
To speak softly, or under the breath, so as to be heard only by one near at hand; to utter words without sonant breath; to talk without that vibration in the larynx which gives sonorous, or vocal, sound.
To speak with suspicion or timorous caution; to converse in whispers, as in secret plotting.
To mention privately and confidentially, or in a whisper.
A private message to an individual in a chat room.
A low rustling sound, like that of the wind in leaves.
A rumor.
A faint trace or hint (of something).
The act of speaking in a quiet voice, especially, without vibration of the vocal cords.