spendthrift

/ˌspɛn(d)ˈθrɪft/

/ˈspɛndθrɪft/

Other forms: spendthrifts

A spendthrift person is reckless and wasteful with his money. If you're a spendthrift, you might find yourself in debt. However, it might be fun to have a spendthrift friend who likes to treat you to expensive lunches and lavish gifts.

Spendthrift was created by sticking two opposite words together: spend and thrift, which means “savings, wealth.” So a spendthrift spends all of his savings. Spendthrift people are the worst nightmare of retirement planners and Scrooges all over the globe. So unless you want to be called a spendthrift, think twice about your next purchase.

Definitions of spendthrift

1. noun

   someone who spends money prodigally
   synonyms: scattergood, spend-all, spender

   types:

   big spender, high roller

   one who spends lavishly and ostentatiously on entertainment

   type of:

   prodigal, profligate, squanderer

   a recklessly extravagant person
2. adjective

   recklessly wasteful
   synonyms: extravagant, prodigal, profligate

   wasteful

   tending to squander and waste