sanguinary

1. (of an event) Involving bloodshed.Examples: "We may not propagate religion by wars, or by sanguinary persecutions to force consciences."; ""[…] every one of which took its rise from some noble family that succeeded in grasping the purple after a sanguinary struggle.""; "It was not merely distaste for court life at Ch’ang An that urged the emperor to make war upon this country. China had substantial grievances against the peninsula kingdom. In the year a.d. 642 P’ing Jang, the Korean capital, had been convulsed by a revolution more sanguinary and more successful than that which had menaced the Chinese court."Synonyms: bloody, gory

2. (of a person) Eager to shed blood; bloodthirsty.Examples: "Passion […] makes us brutal and sanguinary."; ""The defence set up for Mahomet is equally availing for every sanguinary and revengeful tyrant; […]""Synonyms: bloodthirsty, bloody-minded, butcherous, slaughterous