The Collaborative International Dictionary
Impious \Im"pi*ous\, a. [L. 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.
Syn: Impious, Irreligious, Profane.
Usage: Irreligious is negative, impious and profane are
positive. An indifferent man may be irreligious; a
profane man is irreverent in speech and conduct; an
impious man is wickedly and boldly defiant in the
strongest sense. Profane also has the milder sense of
secular.
--C. J. Smith. -- Im"pi*ous*ly, adv. --
Im"pi*ous*ness, n.
Wiktionary
adv. In an impious manner; profanely; wickedly.
WordNet
adv. in an impious manner; "the young members challenged their leader impiously" [ant: piously]
Usage examples of "impiously".
Yet how can I entertain in good faith the children of a master who has most impiously invaded lands in Aosta long sworn to serve the Most Just and Holy Emperor of Arethousa, my kinsman?