Synonym of hmm: a noise indicating thought, consideration, &c.
Synonym of um: a noise indicating doubt, uncertainty, &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
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.
Tells the other speaker to stop talking, typing etc. for a moment.
To remain faithful to one’s partner or betrothed during a prolonged period of absence.
To delay movement or action until some event or time; to remain neglected or in readiness.
To wait tables; to serve customers in a restaurant or other eating establishment.
A delay.
An ambush.
Musicians who sing or play at night or in the early morning, especially at Christmas time; serenaders; musical watchmen.