adj. & v.
--adj.
1. (of a thing) injurious.
2 (of a disease) malignant.
3 malevolent.
--v.tr. speak ill of; slander.
Derivatives:
maligner n. malignity n. (pl. -ies). malignly adv.
Etymology: ME f. OF malin maligne, malignier f. LL malignare contrive maliciously f. L malignus f. malus bad: cf. BENIGN