profligate

Profligate, as a noun or as an adjective, implies recklessly wasting your money on extravagant luxury. Profligate behavior is a lot of fun, but you'll regret it later — when you get your charge card bill.

Any time someone behaves in a reckless, amoral, or wasteful way, they are engaging in profligate behavior. It usually refers to financial behavior but can cross over to social activity as well. A person who is a slave to their cravings and whose behavior is unrestrained and selfish can be called a profligate. Extravagantly profligate behavior is often wildly fun but usually comes with a heavy price to pay in the morning, both financially and morally.

Definitions of profligate
1

adj unrestrained by convention or morality

Synonyms:
debauched, degenerate, degraded, dissipated, dissolute, fast, libertine, riotous
immoral
deliberately violating accepted principles of right and wrong

adj recklessly wasteful

Synonyms:
extravagant, prodigal, spendthrift
wasteful
tending to squander and waste

n a dissolute man in fashionable society

Synonyms:
blood, rake, rakehell, rip, roue
Type of:
debauchee, libertine, rounder
a dissolute person; usually a man who is morally unrestrained

n a recklessly extravagant consumer

Synonyms:
prodigal, squanderer
Types:
scattergood, spend-all, spender, spendthrift
someone who spends money prodigally
waster, wastrel
someone who dissipates resources self-indulgently
big spender, high roller
one who spends lavishly and ostentatiously on entertainment
Type of:
consumer
a person who uses goods or services

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