"sanguinary" in the adjective sense
1. gory, sanguinary, sanguineous, slaughterous, butcherly
accompanied by bloodshed
"this bitter and sanguinary war"
2. bloodthirsty, bloody-minded, sanguinary
marked by eagerness to resort to violence and bloodshed
"went after the collaborators with a sanguinary fury that drenched the land with blood"-G.W.Johnson
Source: WordNet® (An amazing lexical database of English)
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