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
harmful, malevolent, injurious
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.
- third-person plural present active indicative of malignō