[ fee-dey-iz-uh m, fahy-dee- ]
/ ˈfi deɪˌɪz əm, ˈfaɪ di- /


exclusive reliance in religious matters upon faith, with consequent rejection of appeals to science or philosophy.

Origin of fideism

1880–85; < Latin fide- stem of fidēs faith + -ism; probably first coined in French (fidéisme)

Related forms

fi·de·ist, nounfi·de·is·tic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fideist

  • The recent struggle against Kantian and fideist Modernism is a struggle for life.

    Tragic Sense Of Life|Miguel de Unamuno

British Dictionary definitions for fideist


/ (ˈfiːdeɪˌɪzəm) /


the theological doctrine that religious truth is a matter of faith and cannot be established by reasonCompare natural theology

Derived Forms

fideist, nounfideistic, adjective

Word Origin for fideism

C19: from Latin fidēs faith
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012