a false accusation of an offense or a malicious misrepresentation of someone's words or actions
<noun.communication>
Obloquy \Ob"lo*quy\ ([o^]b"l[-o]*kw[y^]), n. [L. obloquium, fr. obloqui. See {Oblocutor}.] 1. Censorious speech; defamatory language; language that casts contempt on men or their actions; blame; reprehension.
Shall names that made your city the glory of the earth be mentioned with obloquy and detraction? --Addison.