Obstinance; the characteristic of being obstinate.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "obstinancy" in a sentence
"Pierferdinando Casini, the head of the right-leaning Union Christian Democrats party, which backed Mr. Berlusconi in previous governments, called for an end to the governing coalition's "obstinancy.""
"Can someone please explain the hesitancy, obstinancy of some states in using their stimulus money?"
"For I felt certain that whatever it was that they professed, their contumacy and inflexible obstinancy obviously demanded punishment."