listen to the pronunciation of calumniate
Englisch - Englisch
To make hurtful untrue comments about (someone)
{v} to accuse falsely, slander, revile
charge falsely or with malicious intent; attack the good name and reputation of someone; "The journalists have defamed me!" "The article in the paper sullied my reputation"
To accuse falsely and maliciously of a crime or offense, or of something disreputable; to slander; to libel
{f} slander; bad-mouth
To propagate evil reports with a design to injure the reputation of another; to make purposely false charges of some offense or crime
A false accusation, or a malicious statement, about someone

To all those causes of calumniation, may be added the conduct of Darnley, unlearned, unmannered, untoward, as he was, that gave too much cause for censoriousness to represent, and scandal to propagate.

{n} a false representation, slander
{i} slander, defamation
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