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English definition of “mess (sth) up”

mess (sth) up

informal phrasal verb with mess     /mes/ verb
B2 to spoil or damage something, or to do something wrong or badly: I feel I've messed up my chances of becoming a great singer. He says that his divorce has really messed his life up. You've really messed up this time.Failing and doing badlyDamaging and spoilingDestroying and demolishing
(Definition of mess (sth) up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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