stubbornness
(noun)
noun
1. the trait of being difficult to handle or overcome
Similar word(s): mulishness, obstinacy, obstinance
Definition categories: attribute, intractability, intractableness
2. resolute adherence to your own ideas or desires
Similar word(s): bullheadedness, obstinacy, obstinance, pigheadedness
Definition categories: attribute, firmness, resoluteness, resolution, resolve