1
penny-wise and pound-foolish(expression, idiom)
1
piker(noun, person, money, behavior)
1
pound-foolish
1
precious(adjective, expensive, high-priced, pricey, pricely)
1
premium(adjective, expensive, high-priced, pricey, pricely)
1
priceless(adjective, expensive, high-priced, pricey, pricely)
1
prodigal son
1
prodigious(adjective, expensive, high-priced, pricey, pricely)
1
prohibitive(adjective, expensive, high-priced, pricey, pricely)
1
prohibitively expensive(adjective, expensive, high-priced, pricey, pricely)
1
prohibitory(adjective, expensive, high-priced, pricey, pricely)
1
rash(adjective, free, careless, wild, extravagant)
1
recklessly wasteful(expression, idiom)
1
spendy(adjective, expensive, high-priced, pricey, pricely)
1
spoiled(adjective, free, careless, wild, extravagant)
1
sumptuous(adjective, expensive, high-priced, pricey, pricely)
1
supererogative(adjective, free, wild, wanton)
1
supererogatory(adjective, free, wild, wanton)
1
superexpensive(adjective, expensive, high-priced, pricey, pricely)
1
thief
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APASmart Define. (2015). spendthrift thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/spendthrift/thesaurus/synonyms
ChicagoSmart Define. 2015. "spendthrift thesaurus" https://smartdefine.org/spendthrift/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, spendthrift thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/spendthrift/thesaurus/synonyms>.
MLASmart Define. "spendthrift thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/spendthrift/thesaurus/synonyms>