Adjective
Destitute of religion; not controlled by religious motives or principles; ungodly. Cf. Impious.
Indicating a want of religion; profane; wicked; as, irreligious speech.
Source: Webster's dictionaryThe irreligious are more religious than they themselves know, and the religious are less so than they think. Franz Grillparzer
An evil and foolish and intemperate and irreligious life should not be called a bad life, but rather, dying long drawn out. Democritus
Thus I came-despite the fact that I was the son of entirely irreligious (Jewish) parents-to a deep religiosity, which, however, found an abrupt ending at the age of 12. Albert Einstein
I raised as irreligious as a jackrabbit. Ursula K. Le Guin
The foundation of irreligious criticism is: Man makes religion, religion does not make man. Karl Marx
That was why all art, which strove to make the sensations of a moment soul-satisfying, was dimly felt to be irreligious. For art performed what religion only promised. James Branch Cabell