out of the blue Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of “out of the blue” in the English Dictionary

"out of the blue" in British English

See all translations

out of the blue

C1 If something happens out of the blue, it is completely unexpected: One day, out of the blue, she announced that she was leaving.
(Definition of out of the blue from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"out of the blue" in American English

See all translations

out of the blue

unexpectedly: My old roommate called me out of the blue.
(Definition of out of the blue from the Cambridge Academic Content Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website
Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
by ,
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,

Read More 

Word of the Day

environment

the air, water, and land in or on which people, animals, and plants live

Word of the Day

decision fatigue noun
decision fatigue noun
May 30, 2016
a decreased ability to make decisions as a result of having too many decisions to make Our brains have a finite number of decisions they can make before they get depleted and become less discerning – so this is called decision fatigue.

Read More