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English definition of “mis-”

mis-

prefix uk   /mɪs-/ us  
added to the beginning of a verb or word formed from a verb, to show that the action referred to by the verb has been done wrongly or badly: I never said that! You must have misheard me. His misbehaviour eventually led to him being expelled from school.Wrong
(Definition of mis- from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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