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English definition of “foul-up”

foul-up

noun [C]     /ˈfaʊl.ʌp/ informal
an occasion when something is spoiled by a stupid mistake: This investigation has been mismanaged right from the start - I've never seen such a foul-up.Faults and mistakesFailuresAccidents and disastersHigher and lower points of achievement
(Definition of foul-up noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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