Pertinacity [noun]
Definition of Pertinacity:
obstinacy
Sentence/Example of Pertinacity:
But that mild and meek man had a certain strength of pertinacity.
But she shook her head and rose—angry, which she hid, but also amused at his pertinacity.
I think I've shown that by my pertinacity in hunting you down.
But the pertinacity of that brass-bound Paul Pry was astonishing.
"I believe not," said Helen, smiling at the pertinacity of his curiosity.
Theirs was a callous, abominable, almost revolting, pertinacity.
By pertinacity and vanity in lying, she hit the mark at last.
"Divil a taste," said Barny, with inimitable composure and pertinacity.
Perth objected to changing his clothing with a pertinacity which provoked the boatswain.
Even Grace was disturbed and perplexed by her daughter's pertinacity.