hum

(noun, verb, interjection)

interjection

1. hmm; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.

noun

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

- there is a constant hum of military preparation

Similar word(s): busyness

Definition categories: state, action, activeness, activity

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

Definition categories: group

3. a humming noise

- the hum of distant traffic

Similar word(s): humming

Definition categories: event, noise

Sentences with hum as a noun:

- They could hear a hum coming from the kitchen, and found the dishwasher on.

verb

1. sing with closed lips

- She hummed a melody

Definition categories: communication, sing

2. be noisy with activity

Similar word(s): buzz, seethe

Definition categories: stative, be

3. sound with a monotonous hum

Similar word(s): thrum

Definition categories: perception, go, sound

4. make a low continuous sound

- The refrigerator is humming

Definition categories: communication, noise, resound

Sentences with hum as a verb:

- We are humming happily along with the music.

- to hum a tune

- The hazers ominously hummed "We shall overcome" while they paddled the unruly pledges

- 'The streets were humming with activity.

- This room really hums — have you ever tried spring cleaning, mate?