LIBERTINISM
Etymology
Noun
libertinism (countable and uncountable, plural libertinisms)
A lifestyle or pattern of behavior characterized by self-indulgence and lack of restraint, especially one involving sexual promiscuity and rejection of religious or other moral authority.
Source: Wiktionary
Lib"er*tin*ism, 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.
Source: Webster’s Unabridged Dictionary 1913 Edition