Libertinism

Part of speech: noun (n.)

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

2. Licentious conduct; debauchery; lewdness.

3. Licentiousness of principle or opinion. 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.