Orthodox Jew Sabbatarian Sunni Muslim bigoted bitter-ender canonist conservative creedbound dogmatic dour evangelical firm hard hidebound hyperorthodox impliable inexorable inflexible iron ironbound ironclad ironhanded literalist literalistic muscle-bound obdurate obstinate old liner orthodox orthodox Christian orthodoxist precisianist precisianistic procrustean purist puristic puritan puritanic puritanical relentless right right-winger rightist rigid rigorist rigoristic rigorous rockbound standpat standpatter staunch stiff straightlaced straitlaced strict stubborn textualist textuary the orthodox tory true believer unbending uncompromising unrelenting unyielding