Main Entry: ir·re·li·gious

Pronunciation: \-ˈli-jəs\

Function: adjective

Date: 15th century

1 : neglectful of religion : lacking religious emotions, doctrines, or practices <so irreligious that they exploit popular religion for professional purposes — G. B. Shaw>
2 : indicating lack of religion

— ir·re·li·gious·ly adverb