Libertine

n. [Lat. libertinus, from libertus, one made free, from liber, free; Fr. & Pr. libertin, Sp., Pg., & It. libertino.]

1. (Rom. Antiq.) A person manumitted or set free from legal servitude; a freedman.
2. One unconfined; one free from restraint.
3. A man who lives without restraint of the animal passion; one who leads a dissolute, licentious life; a rake; a debauchee.
4. (Eccl. Hist.) One of a sect of Anabaptists, in the fifteenth and early part of the sixteenth century, who rejected all the customs and decencies of life, and advocated a community of goods and of women. Brande.
5. One who professes lax or free opinions; a skeptic; a freethinker.

a. [Fr. libertin, Sp. & It. libertino, Lat. libertinus.]

1. Free from restraint; uncontrolled. “You are much too libertine.” Beau. & Fl.
2. Hence, dissolute; licentious; as, libertine principles or manners.