Calumny

(n.) Slander; false accusation of a crime or offense, maliciously made or reported, to the injury of another; malicious misrepresentation; detraction.

Thesaurus Entries

abuse, animadversion, backbiting, backstabbing, belittlement, bitchiness, calumniation, cattiness, contumely, defamation, depreciation, disparagement, invective, libel, obloquy, opprobrium, reflection, revilement, scandal, scurrility, slander, stricture, tale, traducement, vilification, vituperation