bullheadedness

Noun

bull=head=ed=ness

WORDNET DICTIONARY

bullheadedness(n = noun.attribute) obstinacy, obstinance, pigheadedness, self-will, stubbornness - resolute adherence to your own ideas or desires; Array

is a kind of firmness, firmness of purpose, resoluteness, resolution, resolve

has particulars: impenitence, impenitency, intransigence, intransigency

Derived form adjective bullheaded₁

bullheadedness, n.

resolute adherence to one's own ideas or desires. [WordNet 1.5]

For further exploring for "bullheadedness" in Webster Dictionary Online