prodigal
Definitions
Spending money or resources freely and recklessly; wastefully extravagant.
Having or giving something on a lavish scale; profuse.
A person who leaves home and behaves recklessly, but later makes a repentant return.
Examples
After years of traveling the world, the prodigal son finally returned home to his family.
The company's prodigal spending on unnecessary office luxuries eventually led to its financial downfall.
Synonyms
wasteful extravagant lavish spendthrift immoderate profligate squandering
Antonyms
thrifty frugal economical parsimonious stingy miserly sparing