Definition of Hum

1. Noun. The state of being or appearing to be actively engaged in an activity. "There is a constant hum of military preparation"

Exact synonyms: Busyness
Generic synonyms: Action, Activeness, Activity
Derivative terms: Busy, Busy, Busy

2. Verb. Sing with closed lips. "They will hum the duet"; "She hummed a melody"
Generic synonyms: Sing
Derivative terms: Hummer, Humming

3. Noun. 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.

4. Verb. Be noisy with activity. "The streets hum with crowds"; "This office is buzzing with activity"
Exact synonyms: Buzz, Seethe
Generic synonyms: Be
Specialized synonyms: Pullulate, Swarm, Teem
Derivative terms: Buzz, Humming

5. Noun. A humming noise. "The hum of distant traffic"
Exact synonyms: Humming
Generic synonyms: Noise

6. Verb. Sound with a monotonous hum. "The streets hum with cars "
Exact synonyms: Thrum
Generic synonyms: Go, Sound

7. Verb. Make a low continuous sound. ; "The refrigerator is humming"
Generic synonyms: Make Noise, Noise, Resound
Derivative terms: Humming

Definition of Hum

1. v. i. To make a low, prolonged sound, like that of a bee in flight; to drone; to murmur; to buzz; as, a top hums.

2. v. t. To sing with shut mouth; to murmur without articulation; to mumble; as, to hum a tune.

3. n. A low monotonous noise, as of bees in flight, of a swiftly revolving top, of a wheel, or the like; a drone; a buzz.

4. interj. Ahem; hem; an inarticulate sound uttered in a pause of speech implying doubt and deliberation.

Definition of Hum

1. Noun. A hummed tune, i.e. created orally with lips closed. ¹

2. Noun. An often indistinct sound resembling human humming. ¹

3. Noun. Busy activity, like a beehive's buzz ¹

4. Noun. (UK slang) unpleasant odour. ¹

5. Verb. (intransitive) To make a sound from the vocal chords without pronouncing any real words, with one's lips closed. ¹

6. Verb. (transitive) To express of affect by humming ¹

7. Verb. (intransitive) To drone like certain insects naturally do in motion, or sounding similarly ¹

8. Verb. (intransitive) To buzz, be busily active like a beehive ¹

9. Verb. (intransitive) To produce a low sounds which blend continuously ¹

10. Verb. (British) To reek, smell bad. ¹

11. Verb. (British) To deceive, or impose on one by some story or device. ¹

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

¹ Source:

Definition of Hum

1. to sing without opening the lips or saying words [v HUMMED, HUMMING, HUMS]

Medical Definition of Hum

1. A low continuous murmur. Origin: echoic (05 Mar 2000)

Lexicographical Neighbors of Hum

hum (current term)
hum and haw
human-computer interaction
human T-cell leukaemia virus
human T-cell leukemia virus-1
human T-cell lymphoma/leukaemia virus
human T-cell lymphotropic virus
human T lymphotrophic virus
human a1-proteinase inhibitor

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