adamancy

plural adamancies

1. uncountableusuallyThe property of being adamant.

   Knowing the stubbornness and adamancy of born-again Christians, they're more likely to write off Borhek off as "fallen," and accuse her of succumbing to the arguments of Satan.

   1979 December 29, Andy Beck, “Parents of Gays”, in Gay Community News, volume 7, number 23, page 15

   1 more example

   I stuck my nose in the air, realizing too late that it was a borrowed gesture – one I’d been using for years in moments of pride or adamancy – and that it properly belonged to the woman sitting opposite me.

   2016, Zadie Smith, Swing Time, New York, N.Y.: Penguin Press, →ISBN, page 405