obstinacy

Nouns

(n) the trait of being difficult to handle or overcome mulishness, obstinance, stubbornness,
(n) resolute adherence to your own ideas or desires bullheadedness, pigheadedness, self-will, obstinance, stubbornness,

Synonyms

mulishness obstinance stubbornness bullheadedness pigheadedness self-will

Words of close approximity

obstinate