Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “catch sb out”

catch sb out

(SHOW WRONG) informal phrasal verb with catch     /kætʃ/ verb (caught, caught)
to show that someone is doing wrong : I suspected he wasn't telling me the truth , and one day I caught him out when I found some letters he'd written.Proving and disproving
(Definition of catch sb out (SHOW WRONG) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of catch sb out

Translations of “catch sb out”

Word of the Day


to pour liquid slowly over something, especially in a thin line or in small drops

Word of the Day


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