libertine

US /ˈlɪb.ɚ.tiːn/
UK /ˈlɪb.ɚ.tiːn/
1.

libertijn

a person, usually a man, who has few moral principles and has sexual relationships with many people:

:
She considers him an arrogant, dandified libertine.
1.

libertijn

having few moral principles and having sexual relationships with many people:

:
Her manipulations destroy the relationships between her libertine father and his various women.