Noun: bullheadedness 'bûl'he-did-nus
- Resolute adherence to one's own ideas or desires
"His bullheadedness in refusing to compromise led to the project's failure";
- stubbornness, obstinacy, obstinance, pigheadedness, self-will, bloody-mindedness [Brit]
Type of: firmness, firmness of purpose, resoluteness, resolution, resolve