prodigal prodigal /ˈprɑːdɪgəl/

adjective

1. Recklessly wasteful  ( prodigal , profligate , spendthrift , extravagant )
   recklessly wasteful
    Prodigal in their expenditures
   prodigal in their expenditures
   

noun

1. A recklessly extravagant consumer  ( prodigal , profligate , squanderer )
   a recklessly extravagant consumer