Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “blow sb's cover”

blow sb's cover

to make known secret information about who someone is and what they are doingRevealing secrets and becoming known
(Definition of blow sb's cover from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Translations of “blow sb's cover”

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More