110 entries under expensive topic. ×

4
unattainable(adjective, high-priced, pricey, pricely)
4
uneconomical(adjective, fancy, high, extravagant, lavish)
3
luxurious(adjective, generous, abundant, exclusive)
3
out of sight(expression, adjective, idiom, fancy, usual)
3
prodigious(adjective, high-priced, pricey, pricely)
3
reckless(adjective, careless, silly, stupid, thoughtless)
3
rich(adjective, fancy, extravagant, lavish)
3
sumptuous(adjective, generous, abundant, high-priced)
3
upscale(adjective, fancy, high, extravagant, lavish)
3
valuable(adjective, fancy, high, exclusive)
2
bizarre(adjective, strange, silly, foolish, stupid)
2
fancy(adjective, high, extravagant, valuable, excessive)
2
improvident(adjective, grand, extravagant, generous, abundant)
2
overboard(adjective, extreme, extravagant, extra, ridiculous)
2
prodigal(adjective, extreme, grand, extravagant, generous)
2
profligate(adjective, extreme, grand, extravagant, generous)
2
spendthrift(adjective, excessive, steep, high-priced)
2
unaffordable(adjective, high-priced, pricey, pricely)
2
wasteful(adjective, grand, extravagant, generous, ridiculous)
1
astronomical(adjective, high-priced, pricey, pricely)
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APASmart Define. (2015). unreasonable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unreasonable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unreasonable thesaurus" https://smartdefine.org/unreasonable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unreasonable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unreasonable/thesaurus/synonyms>.
MLASmart Define. "unreasonable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unreasonable/thesaurus/synonyms>