dissolute

/ˈdɪsəˌlut/
adjective
  1. Having or showing a lack of moral restraint; indulging in harmful or immoral pleasures.
    • The artist was known for his dissolute behavior, staying out all night and ignoring his responsibilities.
    • After years of a dissolute lifestyle, he decided to change his habits and get healthy.
    • The novel tells the story of a dissolute prince who wasted his fortune on parties.