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English definition of “muck-up”


noun [C] uk   /ˈmʌk.ʌp/ informal us  
a mistake that completely spoils something: They made a muck-up of our order - it won't be ready till next week now.Damaging and spoilingDestroying and demolishing
(Definition of muck-up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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