profligate

Noun

  1. a dissolute man in fashionable society
  2. a recklessly extravagant consumer

Adjective

  1. recklessly wasteful; “prodigal in their expenditures”
  2. unrestrained by convention or morality; “Congreve draws a debauched aristocratic society”; “deplorably dissipated and degraded”; “riotous living”; “fast women”