Meaning of “blue” in the English Dictionary

"blue" in British English

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uk /bluː/ us /bluː/

blue adjective (COLOUR)

A1 of the colour of the sky without clouds on a bright day, or a darker or lighter type of this:

a faded blue shirt
pale blue eyes
Her hands were blue with cold (= slightly blue because of the cold).

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blue adjective (SEXUAL)

showing or mentioning sexual activity in a way that offends many people:

a blue joke
a blue movie/film
His humour is a bit too blue for my tastes.
noun [ U ] uk /ˈbluː.nəs/ us /ˈbluː.nəs/


uk /bluː/ us /bluː/

blue noun (COLOUR)

A2 [ C or U ] a blue colour

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blue noun (SPORTS)

[ C ] UK a person who has played a sport for Oxford University against Cambridge University or for Cambridge University against Oxford University, or the title given to him or her for this


(Definition of “blue” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"blue" in American English

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blueadjective, noun [ C/U ]

us /blu/

blue adjective, noun [ C/U ] (COLOR)

(of) the color of the sky on a clear, bright day:

She has blue eyes.


blueadjective [ -er/-est only ]

us /blu/

blue adjective [ -er/-est only ] (SAD)

sad; unhappy:

I don’t know what’s wrong – I just feel blue.

(Definition of “blue” from the Cambridge Academic Content Dictionary © Cambridge University Press)