[ ir-i-lij-uh n ]
/ ˌɪr ɪˈlɪdʒ ən /


lack of religion.
hostility or indifference to religion; impiety.

Origin of irreligion

First recorded in 1585–95, irreligion is from the Latin word irreligiōn- (stem of irreligiō). See ir-2, religion
Related formsir·re·li·gion·ist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irreligion

British Dictionary definitions for irreligion


/ (ˌɪrɪˈlɪdʒən) /


lack of religious faith
indifference or opposition to religion
Derived Formsirreligionist, noun
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 irreligion



1590s, from Late Latin irreligionem (nominative irreligio) "irreligion, impiety," from assimiliated form of in- "not" (see in- (1)) + religio (see religion).

Online Etymology Dictionary, © 2010 Douglas Harper