Harmful, malevolent, injurious. / (medicine) Tending to produce death; threatening a fatal issue.

A deviant; a person who is hostile or destructive to society. / (historical, derogatory, obsolete) A person who fought for Charles I in the English Civil War.

plural of malignant

(pathology) The process of becoming malign

plural of malignment

The act of maligning something.

plural of maligner

Someone who maligns

The state of being malignant or diseased. / A malignant cancer; specifically, any neoplasm that is invasive or otherwise not benign. / That which is malign; evil, depravity, malevolence.

(transitive) To make defamatory statements about; to slander or traduce. / (transitive, archaic) To treat with malice; to show hatred toward; to abuse; to wrong.