Doctrinarian

//ˌdɒk.tɹɪˈnɛə.ɹi.ən// noun

Definitions

Noun
  1. 1
    A doctrinaire.

    "Protestantism is embodied in a system; so is Popery: but when a man takes up this Via Media, he is a mere doctrinarian—he is wasting his efforts in delineating an invisible phantom; and he will be judged, and fairly, to be trifling, and bookish"

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