malignant synonyms

malignant

modif.

  1. Diseased

    cancerous, fatal, lethal, deadly, poisonous, destructive, internecine, mortal, pestilential; see also deadly, poisonous.

  2. Harmful

    deleterious, corrupt, sapping; see dangerous 1, 2, harmful.

Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.