hum

hum · verb

imported

Definitions

verb

  1. 1.

    To make a low, continuous sound with closed lips; to sing without words.

  2. 2.

    To make a continuous low sound, as of machinery or bees.

  3. 3.

    (Informal) To be in a state of busy activity.

  4. 4.

    (Noun) A low, continuous sound.

Related words

See also: buzz, drone, sing
Synonyms: buzz, croon, drone, murmur

Etymology

From Middle English hummen, of imitative origin, imitating the sound of humming. Related to German hummen and Dutch hommelen.