hum Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "hum" - English Dictionary

See all translations

humverb

uk   us   /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]

uk   us   /hʌm/
a continuous low noise: Our house is on a main road, so we can hear the constant hum of traffic. There's an annoying hum on this computer.
(Definition of hum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of hum?
Add Cambridge dictionaries to your browser to your website

Definitions of “hum” in other dictionaries

Word of the Day
child benefit

money received regularly by families from the government to help pay for the costs of taking care of children

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

responsible luxury noun
responsible luxury noun
August 03, 2015
high-end, green tourism and hospitality Jumeirah’s ‘responsible luxury’ approach is an example of a sustainable travel experience – future guests will enjoy the environment as much as today’s.

Read More