Definition of defamation noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌdefəˈmeɪʃn//
; NAmE NAmE//ˌdefəˈmeɪʃn//
[uncountable, countable] (formal)
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the act of damaging somebody’s reputation by saying or writing bad or false things about them The company sued for defamation. He brought a legal action against the magazine for defamation of character. Such a defamation might cause injury to the business goodwill of the corporation.
See the Oxford Advanced American Dictionary entry: defamation