Precisian

//pɹɪˈsɪ.ʒən// noun

Definitions

Noun
  1. 1
    A religious purist; a Puritan.
  2. 2
    Someone who strictly observes the rules; a pedant or stickler.

    "Her speech was hardly more grating upon him, precisian though he was, than the careless, untutored lapses of a child might have been; all the senses of comparison as readily ignored them."

Etymology

From precise + -ian.

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