A similar sound made by a human.
The rumbling sound made by a human's hungry stomach.
An aggressive grumbling.
A deep, rumbling, threatening sound made in the throat by an animal.
A low-pitched rumbling sound produced with a wind instrument.
To play a wind instrument in a way that produces a low-pitched rumbling sound.
To utter a deep guttural sound, as an angry animal; to give forth an angry, grumbling sound.
Of a wind instrument: to produce a low-pitched rumbling sound.
To send a user a message via the Growl software library.
To express (something) by growling.
An often indistinct sound resembling human humming.
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.
Synonym of um: a noise indicating doubt, uncertainty, &c.
Synonym of hmm: a noise indicating thought, consideration, &c.
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