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malignant definition

ma·lig·nant (-nənt)

adjective

  1. having an evil influence; malign
  2. wishing evil; very malevolent or malicious
  3. very harmful
  4. very dangerous or virulent; causing or likely to cause death; not benign; specif., cancerous
  5. Obsolete malcontent; rebellious; disaffected

Etymology: LL malignans (gen. malignantis), prp. of malignare: see malign

noun

Archaic a malcontent

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical malignant definition - medical

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.

malignant Usage Examples

Modifies a noun

  • melanoma: Can develop a malignant melanoma in very rare cases.

Modifying Another Word

  • potentially: Some potentially malignant lesions can be managed by regular review, with or without medical treatment.

Used with adjective complement

  • become: A few in every 1,000 of these may become malignant.
malignant usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"malignant." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/malignant>

APA Style

malignant. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/malignant

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