Definify.com
Webster 1913 Edition
Malignant
Ma-lig′nant
,Noun.
1.
A man of extreme enmity or evil intentions.
Hooker.
2.
(Eng. Hist.)
One of the adherents of
Charles I.
or Charles II.
; – so called by the opposite party. Webster 1828 Edition
Malignant
MALIG'NANT
,Adj.
1.
Malicious; having extreme malevolence or enmity; as a malignant heart.2.
Unpropitious; exerting pernicious influence; as malignant start.3.
Virulent; as a malignant ulcer.4.
Dangerous to life; as a malignant fever.5.
Extremely heinous; as the malignant nature of sin.MALIG'NANT
,Noun.
Definition 2025
malignant
malignant
English
Adjective
malignant (comparative more malignant, superlative most malignant)
- Harmful, malevolent, injurious.
- malignant temper; malignant revenge; malignant infection
- 1922, Ben Travers, chapter 1, in A Cuckoo in the Nest:
- “[…] the awfully hearty sort of Christmas cards that people do send to other people that they don't know at all well. You know. The kind that have mottoes […] . And then, when you see [the senders], you probably find that they are the most melancholy old folk with malignant diseases. […]”
- (medicine) Tending to produce death; threatening a fatal issue.
- malignant diphtheria
- a malignant tumor
Antonyms
- (medicine): benign, non-malignant
Related terms
Translations
harmful, malevolent, injurious
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tending to produce death
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Noun
malignant (plural malignants)
- A deviant; A person who is hostile or destructive to society.
- 1823, The Retrospective Review (volume 7, page 11)
- As devout Stephen was carried to his burial by devout men, so is it just and equal that malignants should carry malignants […]
- 1999, National Institute of Business Management, Difficult People at Work, ISBN 1880024101, page 8:
- A malignant in a position of real power immediately becomes a tyrant.
- 1823, The Retrospective Review (volume 7, page 11)