calumniate

1. (transitive) To make hurtful untrue comments about.Examples: "Hatred unto the truth did always falsely report and calumniate all godly men's doings."; "I missed her when she was not on the stage, in spite of the absorbing interest of that most calumniated and ill-used person, the Jew. (Speaking of Fanny Kemble as Portia)"; "There are adherents of each of the four French parties—Legitimists, Orleanists, Imperialists, and Republicans—in this little mountain-town; and they all hate, loathe, decry, and calumniate each other."Synonyms: slandertransitive

2. (transitive) To levy a false charge against, especially of a vague offense, with the intent to damage someone's reputation or standing.transitive