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Noun: bloody-mindedness  ,blú-dee'mIn-did-nus
Usage: Brit
  1. Resolute adherence to one's own ideas or desires
    "His bloody-mindedness in refusing to compromise led to the project's failure";
    - stubbornness, bullheadedness, obstinacy, obstinance, pigheadedness, self-will

Type of: firmness, firmness of purpose, resoluteness, resolution, resolve