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English definition of “smear”

smear

noun [C]     /smɪər/
MARK a dirty mark: There was a smear of oil on his cheek.Dirt and untidiness
STORY an unpleasant and untrue story about someone that is meant to harm them, especially in politics: She dismissed the story as a smear. a smear campaign Damaging reputationDisapproving and criticizing
(Definition of smear noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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