adj.
- Lacking reverence; not pious.
- Lacking due respect or dutifulness: impious toward one's parents.
[From Latin impius : in-, not; see in-1 + pius, dutiful.]
impiously im'pi·ous·ly adv.impiousness im'pi·ous·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
