bloody-minded
1. [ adjective ] (British) stubbornly obstructive and unwilling to cooperate
Synonyms: cantankerous
Examples:

"unions...have never been as bloody-minded about demarcation as the shipbuilders"- Spectator

Related terms: UK stubborn
2. [ adjective ] marked by eagerness to resort to violence and bloodshed
Synonyms: bloodthirsty sanguinary
Examples:

"bloody-minded tyrants" "bloodthirsty yells" "went after the collaborators with a sanguinary fury that drenched the land with blood"-G.W.Johnson

Related terms: bloody
Similar spelling:   blood_money
  Bloody_Mary
  bloodhound