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
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.
Indicates a signal to begin.
The state of not paying attention to the future or the past.
The present time.
A particular instant in time, as perceived at that instant.
Used to indicate a context of urgency.
Sometimes; occasionally.
Used to address a switching side, or sharp change in attitude from before. (In this usage, now is usually emphasized).
At the present time.
Used to introduce a point, a qualification of what has previously been said, a remonstration or a rebuke.
At the time reached within a narration.
Differently from the immediate past; differently from a more remote past or a possible future; differently from all other times.
Since, because, in light of the fact; often with that.
Fashionable; popular; up to date; current.
Present; current.