35 entries under unreasonable topic. ×

5
outrageous(adjective, ridiculous, excessive, expensive)
3
extreme(adjective, extravagant, ridiculous, excessive)
3
immoderate(adjective, fancy, extreme, high)
3
unconscionable(adjective, extreme, extravagant, ridiculous)
2
enormous(adjective, ridiculous, excessive, expensive)
1
absonant(adjective, extreme, improper, stiff)
1
arbitrary(adjective, extreme, improper, stiff)
1
far-out(adjective, extreme, improper, stiff)
1
highway robbery(expression, adjective, fancy, high)
1
illegitimate(adjective, extreme, improper, stiff)
1
improper(adjective, extreme, stiff, extravagant)
1
intemperate(adjective, extreme, improper, stiff)
1
overboard(adjective, extravagant, ridiculous, excessive)
1
overkill(adjective, extreme, improper, stiff)
1
overmuch(adjective, extreme, improper, stiff)
1
peremptory(adjective, extreme, improper, stiff)
1
preposterous(adjective, extravagant, ridiculous, excessive)
1
senseless(adjective, extreme, improper, stiff)
1
too-too(adjective, extreme, improper, stiff)
1
uncalled-for(adjective, extreme, improper, stiff)
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APASmart Define. (2015). pricey thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/pricey/thesaurus/synonyms
ChicagoSmart Define. 2015. "pricey thesaurus" https://smartdefine.org/pricey/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, pricey thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/pricey/thesaurus/synonyms>.
MLASmart Define. "pricey thesaurus" 24 December 2015. Web. 30 September 2026. <https://smartdefine.org/pricey/thesaurus/synonyms>