Synonyms for malignant
modified
Diseased
cancerous, fatal, lethal, deadly, poisonous, destructive, internecine, mortal, pestilential; see also deadly, poisonous.
Harmful
deleterious, corrupt, sapping; see dangerous 1, 2, harmful.
See malignant in Webster's New World Roget's A-Z Thesaurus II
adjective
Characterized by intense ill will or spite:
black, despiteful, evil, hateful, malevolent, malicious, malign, mean2, nasty, poisonous, spiteful, venomous, vicious, wicked. (Slang) bitchy. See attitudeExtremely destructive or harmful:
baneful, deadly, noxious, pernicious, pestilent, pestilential, virulent. See help
Learn more about malignant
Related Articles