68 entries under expensive topic. ×

32
imprudent(adjective, strong, easy, neglect, violent)
23
improvident(adjective, neglect, careless, foolish, cheerful)
11
foolish(adjective, careless, silly, stupid, crazy)
10
extravagant(adjective, free, easy, careless, wild)
9
crazy(adjective, silly, foolish, stupid, mad)
8
silly(adjective, careless, foolish, stupid, crazy)
7
absurd(adjective, silly, stupid, crazy, mad)
7
profligate(adjective, easy, careless, wild, loose)
6
prodigal(adjective, free, careless, wild, extravagant)
5
nonsensical(adjective, silly, stupid, crazy, mad)
4
excessive(adjective, quick, steep, high-priced)
4
immoderate(adjective, free, careless, wild, extravagant)
4
unreasonable(adjective, careless, silly, stupid, thoughtless)
4
wasteful(adjective, free, careless, indifferent, wild)
3
lavish(adjective, free, careless, wild, extravagant)
3
preposterous(adjective, careless, wild, silly, foolish)
3
ridiculous(adjective, silly, stupid, thoughtless, excessive)
3
spendthrift(adjective, free, careless, wild, extravagant)
2
fanciful(adjective, free, careless, wild, extravagant)
2
fantastic(adjective, silly, stupid, thoughtless, excessive)
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APASmart Define. (2015). reckless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/reckless/thesaurus/synonyms
ChicagoSmart Define. 2015. "reckless thesaurus" https://smartdefine.org/reckless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, reckless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/reckless/thesaurus/synonyms>.
MLASmart Define. "reckless thesaurus" 3 August 2015. Web. 20 September 2026. <https://smartdefine.org/reckless/thesaurus/synonyms>