- gory, sanguinary, sanguineous, slaughterous, butcherly - accompanied by bloodshed; "this bitter and sanguinary war"
Antonym: bloodless (indirect, via bloody)
- bloodthirsty, bloody-minded, sanguinary - marked by eagerness to resort to violence and bloodshed; "bloody-minded tyrants"; "bloodthirsty yells"; "went after the collaborators with a sanguinary fury that drenched the land with blood"-G.W.Johnson
Antonym: bloodless (indirect, via bloody)