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English definition of “error”

error

noun [C or U] uk   /ˈer.ər/ us    //
B2 a mistake: He admitted that he'd made an error. The letter contains a number of typing errors. Human error has been blamed for the air crash. With something as delicate as brain surgery, there is little margin for error (= you must not make mistakes). error of judgment a wrong decision: Not telling the staff before they read the news in the papers was an error of judgment. see the error of your ways to understand that you were wrong to behave in a particular way and start to behave differently
(Definition of error from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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