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English definition of “mistake”

mistake

noun [C]     /mɪˈsteɪk/
A2 an action, decision, or judgment that produces an unwanted or unintentional result: I'm not blaming you - we all make mistakes. [+ to infinitive] It was a mistake for us to come here tonight. This letter's full of spelling mistakes. I've discovered a few mistakes in your calculations. Why am I under arrest? There must be some mistake.Faults and mistakes by mistake B1 by accident: I've paid this bill twice by mistake.Faults and mistakes
(Definition of mistake noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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