1. bloody-minded, cantankerous, stubborn (vs. docile), obstinate, unregenerate

usage: stubbornly obstructive and unwilling to cooperate; "unions...have never been as bloody-minded about demarcation as the shipbuilders"- Spectator

2. bloodthirsty, bloody-minded, sanguinary, bloody (vs. bloodless)

usage: 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

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.