- a lack of piety; specif.,
- lack of reverence for God
- lack of respect or dutifulness, as toward a parent
- pl. -·ties an impious act or remark
Origin of impietyMiddle English impietie from Old French or L: Old French impiété from Classical Latin impietas
- The quality or state of being impious.
- An impious act.
(usually uncountable, plural impieties)
From Old French impieté, from Latin impietas