purist
noun
[ ˈpjʊərɪst ]
• a person who insists on absolute adherence to traditional rules or structures, especially in language or style.
• "the production has yet to offend Gilbert and Sullivan purists"
Similar:
pedant,
precisionist,
perfectionist,
formalist,
literalist,
stickler,
traditionalist,
doctrinaire,
quibbler,
hair-splitter,
dogmatist,
casuist,
sophist,
fault-finder,
caviller,
carper,
pettifogger,
nitpicker,
precisian,
Dryasdust,
• an adherent of Purism.
• "Purist painters"
Origin:
early 18th century: from French puriste, from pur ‘pure’.