stubbornnest 

this is the embodiment of stubbornness, instead of being the most stubborn person, they are the stubbornnest person.

"Quinn Ortiz you are the stubbornnest person i know, not even the most stubborn, you are the stubbornnest"

stubbornnest by Jeffery Sugar December 22, 2023

stubborness 

Maintain a mindset, course of actions, resistance and opinion based purely on personal convinctions or personal belief it's true or correct. Most people accomplish great things based on stubborness.

My life, every day, I am driven by stubborness. - Audrey Lajoie

stubborness by BeeMee00 July 19, 2011

[stubbornist] 

1. a person who is stubborn
2. a person that does stubborn acts not on purpose
3. a person who acts stubborn on purpose for humor

Wow. Johnny is such a stubbornist.

[stubbornist] by Arabia68 October 18, 2008

stubbornestest 

An emphasise on the adjective stubbornest to over power the other adjective.

John: “I’m the stubbornest person here.”
Alfie: “I’m the stubbornestest person here.”
John: “fuck not a lot I can say to that.”

stubbornestest by BXER4567 June 25, 2019