• WordNet 3.6
    • n bullheadedness resolute adherence to your own ideas or desires
    • ***
Century Dictionary and Cyclopedia
    • n bullheadedness The quality of being bull-headed.
    • n bullheadedness Figuratively, blind, unreasoning impetuosity or obstinacy; stupid aggressiveness; blockheadedness.
    • ***


In literature:

He groaned aloud as he realized that her predicament was the result of his own bullheadedness.
"Astounding Stories of Super-Science, November, 1930" by Various