libertine
1. lib.er.tine \'lib-*r-.te-n\ \-.te--.niz-*m\ n [ME libertyn, fr. L libertinus, fr. libertinus, adj., of a fr]eedman, fr. libertus freedman, fr. liber 1: a manumitted Roman slave 2: a person who is unrestrained by convention or morality; specif : one leading a dissolute life - lib.er.tin.ism n 2. libertine aj : of, relating to, or characteristic of a libertine