Having an evil disposition toward others; harboring violent enmity; malevolent; malicious; spiteful; -- opposed to benign.
To speak great evil of; to traduce; to defame; to slander; to vilify; to asperse.
evil or harmful in nature or influence; "prompted by malign motives"; "believed in witches and malign spirits"; "gave him a malign look"; "a malign lesion"