Webster's Revised Unabridged Dictionary · 1913

Impious

Impious , adjective

[Latin impius; pref. im- not + pius piou. See Pious.]

Not pious; wanting piety; irreligious; irreverent; ungodly; profane; wanting in reverence for the Supreme Being; as, an impious deed; impious language.
When vice prevails, and impious men bear away, The post of honor is a private station. — Addison