Emily Dickinson Lexicon

IR-RE-LIG'IOUS, a. [Fr. irreligieux.]

1. Destitute of religious principles; contemning religion; impious; ungodly. Shame and reproach are generally the portion of the impious and irreligious. South.
2. Contrary to religion; profane; impious; wicked; as, an irreligious speech; irreligious conduct.