wastrel

 
Pronunciation: /ˈweɪstr(ə)l/

noun

  • 1 literary a wasteful or good-for-nothing person: I have no intention of seeing my dues gambled away by your wastrel of a son
  • 2 archaic a waif; a neglected child.

Origin:

late 16th century (denoting a strip of waste land): from the verb waste + -rel