malicious

Synonyms: awful bad-natured baleful beastly bitter catty cussed deleterious despiteful detrimental envious evil evil-minded green green-eyed gross illdisposed injurious jealous low malevolent malign malignant mean mischievous nasty noxious ornery pernicious petty poisonous rancorous resentful spiteful uncool vengeful venomous vicious virulent wicked

Antonyms: benevolent friendly good kind likeable sympathetic thoughtful