hum
noun
- 1
a humming noise
the hum of distant traffic
- 2
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
the hum of distant traffic
- 3
the state of being or appearing to be actively engaged in an activity
they manifested all the busyness of a pack of beavers
there is a constant hum of military preparation
verb
- 1
sing with closed lips
She hummed a melody
- 2
make a low continuous sound
The refrigerator is humming
- 3
sound with a monotonous hum
- 4
be noisy with activity
This office is buzzing with activity
Also useful for “hum”:Unscrambler— Turn loose letters into real words