A hummed tune, i.e. created orally with lips closed. / An often indistinct sound resembling human humming. / Busy activity, like the buzz of a beehive. / (UK, slang) Unpleasant odour.

(intransitive) To make a sound from the vocal chords without pronouncing any real words, with one's lips closed. / (transitive) To express by humming.

Synonym of hmm: a noise indicating thought, consideration, &c. / Synonym of um: a noise indicating doubt, uncertainty, &c.

present participle of hum

Making a hum sound. / (archaic) Of ale or beer: very strong.

The sound of something that hums; a hum.

A town in the central part of Istria, northwest Croatia, 7 km from Roč.

(bridge) Initialism of highly unusual method: any of a class of contract bridge bidding systems that require advance preparation to contend with, and are usually restricted to the highest levels of tournament play.

simple past tense and past participle of hum

plural of hum