Someone (especially a man) who takes no notice of moral laws, especially those involving sexual propriety; someone loose in morals; a pleasure-seeker
So the truth of the matter is that a libertine in love, if indeed a libertine can be in love, becomes from that moment in less of a hurry to enjoy the pleasures of the flesh.
Dissolute; licentious; profligate; loose in morals; as, libertine principles or manners
Someone (especially a man) who takes no notice of moral laws, especially concerning their relations with the opposite sex; someone loose in morals, a pleasure-seeker
unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"
One of a sect of Anabaptists, in the fifteenth and early part of the sixteenth century, who rejected many of the customs and decencies of life, and advocated a community of goods and of women
disapproval If you refer to someone as a libertine, you mean that they are sexually immoral and do not care about the effect their behaviour has on other people. someone who leads an immoral life and always looks for pleasure, especially sexual pleasure (libertinus , from liber; LIBERTY)