malignant

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malignant

  • /məˈlɪɡnənt/

Where it comes from

From Middle French malignant, from Late Latin malignans. See malign.

adjective more malignant · most malignant

  1. Harmful, malevolent, injurious. malignant temper; malignant revenge; malignant infection

    Similar: malicious, malign, malefic

  2. Tending to produce death; threatening a fatal issue. malignant diphtheria

    Opposite: benign, non-malignant

noun malignants

  1. A deviant; a person who is hostile or destructive to society. As devout Stephen was carried to his burial by devout men, so is it just and equal that malignants should carry malignants […]
  2. derogatory, historical, obsolete A person who fought for Charles I in the English Civil War.

Thesaurus

Closest in meaning: malign, malevolent, evil, malicious, nefarious, sinister, unholy, pernicious, vile, wicked, egregious, harmful, unhealthy, bad, vicious, wasteful

Translations

Every language

adj harmful, malevolent, injurious

Españolmaligno
日本語潑 hatsu
Portuguêsmaligno
Françaismalin, malveillant
Deutschbösartig
Italianomaligno, malevolo
Ελληνικάκακοήθης kakoḯthis
Русскийзловре́дный zlovrédnyj, болезнетво́рный boleznetvórnyj

adj (medicine) tending to produce death

Españolmaligno
Portuguêsmaligno
Françaismalin
Deutschbösartig, malign
Italianomaligno
Ελληνικάκακοήθης kakoḯthis
Русскийзлока́чественный zlokáčestvennyj

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Cite this
MLA

"malignant." Wiktionary, via Micwyn, micwyn.com/word/malignant. Accessed 6 Nov. 2026.

APA

malignant. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/malignant

Chicago

"malignant." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/malignant.

BibTeX
@misc{malignant_2026,
  title = {malignant},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/malignant},
  urldate = {2026-11-06}
}