impiety

The state of being impious.

An impious act.

[I]f the world and motion were not from Eternity, then God was Idle; were all the Aſſertions of Ariſtotle, which Theology pronounceth impieties. Which yet we need not ſtrange at from one, of whom a Father ſaith, Nec Deum coluit nec curavit [he neither worshipped nor cared for God]: […]

The lack of respect for a god or something sacred.