Calumniate :: Calumniate (v. t.) To accuse falsely and maliciously of a crime or offense, or of something disreputable; to slander; to libel..
Calumniate :: Calumniate (v. i.) To propagate evil reports with a design to injure the reputation of another; to make purposely false charges of some offense or crime.
Calumniation :: Calumniation (n.) False accusation of crime or offense, or a malicious and false representation of the words or actions of another, with a view to injure his good name..