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mar

verb [T]
 
 
/mɑːr/ US  /mɑːr/ (-rr-) formal

Definition

to spoil something, making it less good or less enjoyable: Sadly, the text is marred by careless errors. It was a really nice day, marred only by a little argument in the car on the way home. I hope the fact that Louise isn't coming won't mar your enjoyment of the evening.Damaging and spoilingDestroying and demolishing
(Definition of mar verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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