IM'PIOUS, adjective [Latin impius; in and pius, pious.]

1. Irreverent towards the Supreme Being; wanting in veneration for God and his authority; irreligious; profane. The scoffer at God and his authority is impious The profane swear is impious

When vice prevails and impious men bear sway,

The post of honor is a private station.

2. Irreverent towards God; proceeding from or manifesting a contempt for the Supreme Being; tending to dishonor God or his laws, and bring them into contempt; as an impious deed; impious language; impious writings.