What is another word for diehardism?
Pronunciation: [dˈa͡ɪhɑːdˌɪzəm] (IPA) 
Diehardism is a term used to describe a relentless devotion or loyalty to a particular idea, belief or cause, often without regard for logic or reason. Synonyms for diehardism include fanaticism, extremism, obstinacy, inflexibility, dogmatism, rigidity, fanatic devotion, blind faith, and uncompromising loyalty. Fanaticism describes an extreme and often dangerous devotion to a cause or belief, while extremism refers to holding extreme political or social views. Obstinate and inflexible are synonyms that describe a stubborn and unyielding commitment to a particular belief or course of action. Dogmatism denotes an unwavering adherence to a set of beliefs or principles, while rigidity refers to being inflexible and unable to adapt to change.
