0 false and damaging to someone's reputation:
The suggestion that he misappropriated funds is calumnious and politically motivated.
These vile aspersions against his character proved to be false and calumnious.
People have a right to protection from such calumnious insinuations.
The address contained a calumnious and insulting accusation.
That is truly unacceptable behaviour; it is insulting as well as calumnious.
This is the kind of thing that is calumnious and unscrupulous.
His calumnious words have no basis in fact whatsoever.
His most unfortunate qualities, however, were his malice, jealousy, and calumnious tongue.