Calumniate

They do not accuse me, they insult; they do not fight me, they calumniate, and they don't allow me the right of defense.

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.