25 entries under adjective topic. ×

10
improvident(careless, careful, reckless, spendthrift)
9
extravagant(prodigality, improvident)
9
prodigal(prodigality, improvident)
8
wasteful(economical, prodigality, improvident)
7
thriftless(careful, reckless, prodigality, nonpreparation)
6
lavish(prodigality, improvident)
6
profligate
5
profuse(prodigality, improvident)
5
thoughtless(nonpreparation, improvident)
4
heedless
4
shiftless(nonpreparation, improvident)
3
imprudent
3
negligent
3
spendthrift
2
overindulgent
2
shortsighted
2
uneconomical
2
unguarded
1
careless
1
inconsiderate
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APASmart Define. (2015). unthrifty thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unthrifty/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthrifty thesaurus" https://smartdefine.org/unthrifty/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unthrifty thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unthrifty/thesaurus/synonyms>.
MLASmart Define. "unthrifty thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unthrifty/thesaurus/synonyms>