9 entries under nonpreparation topic. ×

10
improvident(adjective, careless, careful, reckless, spendthrift)
7
thriftless(adjective, careful, reckless, prodigality)
5
thoughtless(adjective, improvident)
4
shiftless(adjective, improvident)
2
unguarded
1
unpremeditated
0
caught napping(expression, idiom)
0
happy-go-lucky
0
inexpectant
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APASmart Define. (2015). unthrifty thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unthrifty/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthrifty thesaurus" https://smartdefine.org/unthrifty/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unthrifty thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unthrifty/thesaurus/synonyms>.
MLASmart Define. "unthrifty thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unthrifty/thesaurus/synonyms>