[ muh-lig-nuhn-see ]
See synonyms for malignancy on
noun,plural ma·lig·nan·cies for 2, 3.
  1. the quality or condition of being malignant.

  2. malignant character, behavior, action, or the like: the malignancies of war.

  1. a malignant tumor.

Origin of malignancy

First recorded in 1595–1605; malign(ant) + -ancy
  • Also ma·lig·nance (for defs. 1, 2) .

Other words from malignancy

  • non·ma·lig·nance, noun
  • non·ma·lig·nan·cy, noun, plural non·ma·lig·nan·cies. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use malignancy in a sentence

  • It was a thing of implacable malignance, of incredible ferocity.

    The Forgotten Planet | Murray Leinster
  • Without a word, Lawler leaped and struck with bitter malignance.

    The Trail Horde | Charles Alden Seltzer
  • You have hinted that It has a special motive for fixing hate upon me beyond mere malignance toward mankind.

    The Thing from the Lake | Eleanor M. Ingram
  • The old man's eyes, full of cold feline malignance, were turned upon her, and La Cibot shivered.

    Cousin Pons | Honore de Balzac
  • He was a fiery orator, and I felt on this occasion that he delivered himself straight at me, with a very poorly veiled malignance.

    The Boss of Little Arcady | Harry Leon Wilson

British Dictionary definitions for malignancy


/ (məˈlɪɡnənsɪ) /

nounplural -cies
  1. the state or quality of being malignant

  2. pathol a cancerous growth

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012