profligate

Short definition from Wiktionary

Adjective

1. 1
   Inclined to waste resources or behave extravagantly.
2. 2
   Immoral; abandoned to vice.
3. 3
   Profligated: routed, overcome, driven away.
4. 4
   Overthrown, ruined.

Noun

1. 1
   An abandoned person; one openly and shamelessly vicious; a dissolute person.
2. 2
   An overly wasteful or extravagant individual.

Verb

1. 1
   To drive away; to overcome.