"defamation" in the noun sense
1. defamation, calumny, calumniation, obloquy, traducement, hatchet job
a false accusation of an offense or a malicious misrepresentation of someone's words or actions
2. aspersion, calumny, slander, defamation, denigration
an abusive attack on a person's character or good name
Source: WordNet® (An amazing lexical database of English)
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