fi·​de·​ism ˈfē-(ˌ)dā-ˌi-zəm How to pronounce fideism (audio)
: reliance on faith rather than reason in pursuit of religious truth
fideist noun
fideistic adjective

Word History


borrowed from French fidéisme, from Latin fidēs "trust, belief, faith" + French -isme -ism — more at faith entry 1

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of fideism was in 1885

Dictionary Entries Near fideism

Cite this Entry

“Fideism.” Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

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