164 entries under adjective topic. ×

1
spendthrift(expensive, high-priced, pricey, pricely)
1
spendy(expensive, high-priced, pricey, pricely)
1
steep(expensive, high-priced, pricey, pricely)
1
stiff(expensive, high-priced, pricey, pricely)
1
sumptuous(expensive, high-priced, pricey, pricely)
1
superexpensive(expensive, high-priced, pricey, pricely)
1
superior
1
theoretical(wild, unreasonable, useless, intellectual)
1
too much(informal, impossible)
1
transcendent(intellectual, unreal)
1
ultraexpensive(expensive, high-priced, pricey, pricely)
1
unacceptable
1
unaffordable(expensive, high-priced, pricey, pricely)
1
unassailable
1
unbelievable
1
unconscionable(expensive, high-priced, pricey, pricely)
1
undefeated
1
unearthly(intellectual, unreal)
1
uneconomical(expensive, high-priced, pricey, pricely)
1
unlikely
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APASmart Define. (2015). unattainable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unattainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unattainable thesaurus" https://smartdefine.org/unattainable/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unattainable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unattainable/thesaurus/synonyms>.
MLASmart Define. "unattainable thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unattainable/thesaurus/synonyms>