Also found in: Thesaurus.
1. Lacking reverence; not pious.
2. Lacking due respect or dutifulness: impious toward one's parents.
[From Latin impius : in-, not; see in-1 + pius, dutiful.]
Switch to new thesaurus
|Noun||1.||impiousness - unrighteousness by virtue of lacking respect for a god|
unrighteousness - failure to adhere to moral principles; "forgave us our sins and cleansed us of all unrighteousness"
undutifulness - impiety characterized by lack of devotion to duty