hardheadedness

It hurt to see that what he'd considered hardheadedness was just another case of a fool fighting dragons with a paper sword.

Indeed, I think she holds to it all the tighter for her hardheadedness in every-day affairs.

He saw and regarded that persistency which had been the making of the man in Jean Baptiste as "hardheadedness."

He lacks the phlegmatic nature of the German and the logical hardheadedness of the Briton.

He has big, solid barns, and money in the bank, and a reputation for hardheadedness.