hum

/hˈʌm/

/ˈhəm/

[verb] [noun]

to hum

[VERB]

MAIN VERB

to sing a tune with closed lips

to make a low, continuous, and steady sound

sound with a monotonous hum

synonyms : thrum

be noisy with activity

synonyms : buzz

seethe

Hum

[NOUN]

a humming noise

synonyms : humming

an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan

synonyms : Al Faran

Movement of Holy Warriors

the state of being or appearing to be actively engaged in an activity

synonyms : busyness

Examples

1. The heater makes a humming sound when it's on.

2. Everything was properly locked or stored away, the factory was clean as a whistle, and the fans that were usually turned off were humming away.

3. Hums Curb Your Enthusiasm Theme ♪

4. Your password is humming bird.