wastrel

/ˈweɪstrəl/
noun
  1. A person who wastes money, time, or resources; a lazy or irresponsible person.
    • She decided to stop being a wastrel and started saving for her future.
    • In the novel, the wastrel squandered his family fortune on gambling and parties.
    • The old man called his grandson a wastrel for spending his allowance on video games.
Antonyms