A purist is a person who wants something to be totally correct or unchanged, especially something they know a lot about. The new edition of the dictionary carries 7000 additions to the language, which purists say is under threat
(n) a hiker who insists on hiking every inch of the AT and on seeing or touching every white blaze; sometimes identified by a holier-than-thou attitude toward those less rigid
Purist attitudes are the kind of attitudes that purists have. Britain wanted a `more purist' approach. someone who believes that something should be done in the correct or traditional way, especially in the areas of art, sport, music, and language