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Acting without regard to law, ethics, or the rights of others.

The term licentiousness is often used interchangeably with lewdness or lasciviousness, which relate to moral impurity in a sexual context.

LICENTIOUSNESS. The doing what one pleases without regard to the rights of others; it differs from liberty in this, that the latter is restrained by natural or positive law, and consists in doing whatever we please, not inconsistent, with the rights of others, whereas the former does not respect those rights. Wolff, Inst. Sec. 84.

References in classic literature ?
The great majority of his subjects always followed his lead, and, having no religion at all, ensued the time of the Great Licentiousness, when by all South Seas missionaries his island, in sermons, was spoken of as Babylon.
But if I thought to draw him on more gently by this device, I did not think of subjecting the girl to the licentiousness and brutality of so old a hand as you.
They forget, or will not remember, that human sacrifices, and the power of an idolatrous priesthood -- a system of profligacy unparalleled in any other part of the world -- infanticide a consequence of that system -- bloody wars, where the conquerors spared neither women nor children -- that all these have been abolished; and that dishonesty, intemperance, and licentiousness have been greatly reduced by the introduction of Christianity.
But it is useless to argue against such reasoners; -- I believe that, disappointed in not finding the field of licentiousness quite so open as formerly, they will not give credit to a morality which they do not wish to practise, or to a religion which they undervalue, if not despise.
The new king and his nobles had not only been led by years of proscription and exile to hate on principle everything that bore the name of Puritan, but had spent their exile at the French Court, where utterly cynical and selfish pursuit of pleasure and licentiousness of conduct were merely masked by conventionally polished manners.
True, I said; and this, Glaucon, like all the rest, must proceed after an orderly fashion; in a city of the blessed, licentiousness is an unholy thing which the rulers will forbid.
My mind shudders when I think of her awful, awful situation, and that, near as she is to the grave, she should be so given up to vanity, licentiousness, profaneness, and folly.
Many state constitutions excluded acts of licentiousness and placed peace and safety limits on the right to free exercise of religion.
What is at stake overtly is artistic licence, but, in truth, the advertisement is a sort of prophylaxis against accusations of licentiousness and, of course, ridiculousness.
The kingdom's hard-line interpretation of Islam, known as Wahabbism, holds that allowing women to drive encourages licentiousness.
There are two things that drive Augustine experts especially crazy: 1) when his youthful licentiousness is exaggerated, 2) when his mothers role in his life is misinterpreted.
This is especially true if you widen the scope of Christian social thought to include Calvinist voices that understand the state as being necessary to restrain the licentiousness of man.