Malicious

Webster's Dictionary of the English Language

·adj Indulging or exercising malice; harboring ill will or enmity.

II. Malicious ·adj Proceeding from hatred or ill will; dictated by malice; as, a malicious report; malicious mischief.

III. Malicious ·adj With wicked or mischievous intentions or motives; wrongful and done intentionally without just cause or excuse; as, a malicious act.