libertinism

n. 1. The state of a libertine or freedman. [ R. ] Hammond. [ 1913 Webster ]

2. Licentious conduct; debauchery; lewdness. [ 1913 Webster ]

3. Licentiousness of principle or opinion. [ 1913 Webster ]

That spirit of religion and seriousness vanished all at once, and a spirit of liberty and libertinism, of infidelity and profaneness, started up in the room of it. Atterbury. [ 1913 Webster ]