Spendthrift is defined as a person who overspends, or who spends money in an irresponsible way.
(noun)An example of a spendthrift is a person who spends hundreds of dollars on purses and shoes she can't afford.
The definition of spendthrift is wasteful or extravagant.
(adjective)An example of spendthrift used as an adjective is a spendthrift teenager.
See spendthrift in Webster's New World College Dictionary
noun
adjective
See spendthrift in American Heritage Dictionary 4
noun
Origin:
Origin: spend
Origin: + thrift, accumulated wealth (obsolete)
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