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What Is Malignant? Definition And Usage Of This Term

WHAT IS MALIGNANT– In this topic, we will first know the definition of the term “malignant” and how is this term used in sentences.



The Oxford Dictionary described this term as the following:

  • malevolent
  • a medicine term which means
    • very virulent or infectious.
    • tumor-wise, tending to invade normal tissue or to recur after removal; cancerous.

On the other hand, the Merriam-Webster Dictionary defines this term as the following:

  • tending to produce death or deterioration
    • tending to infiltrate, metastasize, and terminate fatally
  • evil in nature, influence, or effect 
    • passionately and relentlessly malevolent
    • obsolete

Synonyms and Antonyms

Here are the following synonyms and antonyms of this term:

  • Synonyms
    • bad
    • cruel
    • despiteful
    • hateful
    • malevolent
    • malicious
    • malign
    • mean
    • nasty
    • spiteful
    • vicious
    • virulent
  • Antonyms
    • benevolent
    • benign
    • benignant
    • loving
    • unmalicious


The term is derived from the late Latin term which means “contriving maliciously”. It is derived from the verb malignare . It was primarily used in its early sense to define Royalist sympathizers during the Englich Civil War.


Here are some of the examples:

  • Ember hoped that her son did not show his malignant side at his new school.
  • Note that the malignant cells are invading and destroying the muscle fibres of the heart.
  • Strong sulphuric acid is occasionally used as a caustic to malignant growths
  • After the bombing, people had to wear masks to avoid inhaling the malignant fumes of the chemical agents.

READ ALSO: What Is Benign? Definition And Usage Of This Term

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