D defs.my
Entry 2 senses Webster, 1913

Purist

· Pur·ist · IPA /ˈpjʊɹ.ɪst/
01 n. One who aims at excessive purity or nicety, esp. in the choice of language.
  1. 1.
    One who aims at excessive purity or nicety, esp. in the choice of language.
    “He [Fox] . . . purified vocabulary with a scrupulosity unknown to any purist.” Macaulay.
  2. 2.
    One who maintains that the New Testament was written in pure Greek.