libelous

Involving or constituting a libel; defamatory.

Containing a libel; of the nature of a libel; defamatory; containing that which exposes to public hatred, contempt, or ridicule: as, a libelous picture.

Containing or involving a libel; defamatory; containing that which exposes some person to public hatred, contempt, or ridicule.

defamatory, libeling, referring to something that causes harm to someone’s reputation especially with malice or disregard.

meeting the legal standards for libel.

(used of statements) harmful and often untrue; tending to discredit or malign