nondoctrinaire

adjective

non·​doc·​tri·​naire ˌnän-ˌdäk-trə-ˈner 

: not doctrinaire : not rigidly devoted to any particular doctrine or theory

He was well into his twenties before he began evolving into the nondoctrinaire but fiercely convinced socialist he became and remained throughout his life.

—Nicholas von Hoffman

Examples of nondoctrinaire in a Sentence

Recent Examples on the Web

Its supporters see it as a nondoctrinaire way to redress the lack of patriotic education in Russian schools since the Soviet collapse. —Fred Weir, The Christian Science Monitor, 11 Oct. 2022

Word History

First Known Use

1906, in the meaning defined above