1. a person who insists on absolute correctness or purity, especially in language or artistic matters

Examples

• The language purist objected to using slang in formal writing.
• As a musical purist, she only listened to recordings made with original instruments.
• The art purist refused to accept any modern interpretations of classical works.
• Grammar purists often criticize the casual use of language in text messages.
• He was such a purist that he wouldn’t eat fusion cuisine.
• The wine purist insisted on serving each vintage at the exact proper temperature.