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Definition of hum

hum

/hʌm/
hum

Plural:hums
•
Adjective:humming
•
Past Simple:hummed
•
Past Participle:hummed
•
Present Participle:humming
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hum Lexical Profile

hum Game Scores & Validity

• noun

1

A low, steady, continuous sound, such as that made by bees, machinery, or distant traffic.

Example

"The quiet hum of the refrigerator was the only sound in the kitchen late at night."


2

British An unpleasant or foul smell (informal).

Example

"A noticeable hum was coming from the unwashed sports kit left in the locker."

Synonyms
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Antonyms
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• verb

1

To sing a tune with closed lips and without articulating words.

Example

"She likes to hum her favorite classical melodies while working in the garden."


2

To make a low, steady, continuous sound like that of a bee or a running motor.

Example

"The air conditioner began to hum softly as the afternoon grew warmer."


3

To be in a state of busy, lively, or brisk activity.

Example

"By nine o'clock in the morning, the entire newsroom was humming with excitement."


4

British To smell unpleasant or foul (informal).

Example

"After three days in the damp tent, his hiking boots really started to hum."

Synonyms
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Antonyms
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• interjection

1

Used to express hesitation, doubt, deliberation, or slight dissatisfaction.

Example

"Hum, I am not entirely sure if that schedule will work for our team."

Synonyms
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• Rhymes for hum

Word Origin & Etymology

First recorded in Middle English in the 14th century, the word is of imitative origin, directly mimicking a low, continuous droning sound.

Cite this Entry


Wordmom. (2026). Definition of Hum. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hum
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