Word.ws English Dictionary

Synonyms of malignant

3 similar words · 2 opposite words

Another word for malignant is malicious. Other synonyms of malignant are malign and malefic. The opposite of malignant is benign.

Synonyms and similar words for malignant

adjectiveHarmful, malevolent, injurious.

  • maliciousIntending to do harm; characterized by spite and malice.
  • malignEvil or malignant in disposition, nature, intent or influence.
  • maleficHaving an evil or harmful influence; baleful.

Opposite of malignant

adjectiveTending to produce death; threatening a fatal issue.

  • benignNot posing any serious threat to health; not particularly aggressive or recurrent.
  • non-malignant

Meaning of malignant

  1. adjective Harmful, malevolent, injurious.
  2. adjective Tending to produce death; threatening a fatal issue.
  3. noun A deviant; a person who is hostile or destructive to society.

Full definition of malignant

malignant in other languages

Questions about synonyms of malignant

What is another word for malignant?
Malignant has 3 synonyms on Word.ws, such as malicious, malign and malefic.
What is the opposite of malignant?
The opposite of malignant is benign.
What does malignant mean?
Malignant means harmful, malevolent, injurious.

Source and license

Adapted from Wiktionary: malignant (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of malignant.” Word.ws, https://word.ws/synonyms/malignant. Based on Wiktionary, CC BY-SA 4.0.