0 to make statements about someone that are not true and that are damaging to their reputation:
He claimed that we had grossly calumniated the medical profession.
Is this the liberty of the press, to calumniate an individual in the way my client has been calumniated?
Do you think he is capable of lying or calumniating in court?
He spoke of being persecuted and calumniated by a small group of rich and powerful people.
Certainly, it would hinder papers from telling lies without any recourse by those calumniated.
They will be calumniated and called warmongers.
He will ask you to calumniate me and to disown me.
They calumniate him and investigate his personality.