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Meaning of “hum” in the English Dictionary

"hum" in British English

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humverb

us   uk   /hʌm/ -mm-
[I] to make a continuous low sound: The computers were humming in the background. What's that strange humming sound?
[I or T] to sing without opening your mouth: She hummed to herself as she walked to school. I've forgotten how that tune goes - could you hum it for me?
[I] informal to be busy and full of activity, excitement, sounds, or voices: The bar was really humming last night.

humnoun [C usually singular]

us   uk   /hʌm/
(Definition of hum from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"hum" in American English

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humverb [I/T]

us   /hʌm/ -mm-
to make a continuous, low sound, or to sing a tune with closed lips: [I] Debbie always hums to herself when she listens to music. [T] I’ve forgotten how that tune goes – could you hum it for me?
fig. If something is humming, it is very busy and full of activity: [I] Factories that make paper products are humming at 97% of capacity.

humnoun [C usually sing]

us   /hʌm/
a continuous, low sound: We could hear the constant hum of traffic outside the window.
(Definition of hum from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“hum” in British English

“hum” in American English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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