The Collaborative International Dictionary
Libertinism \Lib"er*tin*ism\ (-t[i^]n*[i^]z'm), n.
The state of a libertine or freedman. [R.]
--Hammond.Licentious conduct; debauchery; lewdness.
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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.
Wiktionary
n. 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.
Usage examples of "libertinism".
Nanette affected an air of reserve and took at on herself to read me lessons on what she was pleased to call my libertinism .
Jewish law, in some cases antinomian even in the sense of libertinism.
Imagine sixty winters heaped upon a face plastered with rouge, a blotched and pimpled complexion, emaciated and gaunt features, all the ugliness of libertinism stamped upon the countenance of that creature relining upon the sofa.
Nanette affected an air of reserve and took at on herself to read me lessons on what she was pleased to call my libertinism .
Imagine sixty winters heaped upon a face plastered with rouge, a blotched and pimpled complexion, emaciated and gaunt features, all the ugliness of libertinism stamped upon the countenance of that creature relining upon the sofa.
Roderigo Borgia had the reputation of a dissolute man, it is true, but libertinism had mounted the throne with Sixtus IV and Innocent VIII, so that for the Romans there was nothing new in the singular situation of a pope with a mistress and five children.