[fee-dey-iz-uh m, fahy-dee-]


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

British Dictionary definitions for fideism



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

Word Origin and History for fideism

1885, from Latin fides "faith" (see faith) + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper