164 entries under adjective topic. ×

1
unreal(wild, unreasonable, useless, intellectual)
1
unserviceable(wild, unreasonable, useless, absurd)
1
unsolvable
1
unsuitable
1
upscale(expensive, high-priced, pricey, pricely)
1
usurious(expensive, high-priced, pricey, pricely)
1
valuable(expensive, high-priced, pricey, pricely)
1
vast(expensive, high-priced, pricey, pricely)
0
high-priced(expensive, pricey, pricely, unaffordable)
0
contrary to reason
0
cureless
0
dreamlike(intellectual, unreal)
0
exclusive
0
fanciful(intellectual, unreal)
0
fictitious(intellectual, unreal)
0
hardly possible
0
high-flown(intellectual, unreal)
0
hundred-to-one
0
hypothetical(intellectual, unreal)
0
imaginary(intellectual, unreal)
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APASmart Define. (2015). unattainable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unattainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unattainable thesaurus" https://smartdefine.org/unattainable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unattainable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unattainable/thesaurus/synonyms>.
MLASmart Define. "unattainable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unattainable/thesaurus/synonyms>