WordWeb Online

1. Recklessly wasteful
   "profligate in their expenditures"
   - extravagant, prodigal, spendthrift
    
2. Unrestrained by convention or morality
   "Congreve draws a profligate aristocratic society"
   - debauched, degenerate, degraded, dissipated, dissolute, libertine, riotous, fast

1. A dissolute man in fashionable society
   - rake, rakehell [archaic], rip, blood [archaic], roué
    
2. A recklessly extravagant consumer
   - prodigal, squanderer

Derived forms: profligates

See also: immoral, wasteful

Type of: consumer, debauchee, libertine, rounder