1
prohibitive(adjective, expensive, high-priced, pricey, pricely)
1
prohibitively expensive(adjective, expensive, high-priced, pricey, pricely)
1
prohibitory(adjective, expensive, high-priced, pricey, pricely)
1
remote
1
spendthrift(adjective, expensive, high-priced, pricey, pricely)
1
spendy(adjective, expensive, high-priced, pricey, pricely)
1
steep(adjective, expensive, high-priced, pricey, pricely)
1
stiff(adjective, expensive, high-priced, pricey, pricely)
1
sumptuous(adjective, expensive, high-priced, pricey, pricely)
1
superexpensive(adjective, expensive, high-priced, pricey, pricely)
1
ultraexpensive(adjective, expensive, high-priced, pricey, pricely)
1
un-come-at-able
1
unaffordable(adjective, expensive, high-priced, pricey, pricely)
1
unconscionable(adjective, expensive, high-priced, pricey, pricely)
1
undiscoverable
1
undoable
1
uneconomical(adjective, expensive, high-priced, pricey, pricely)
1
unenthusiastic
1
ungettable
1
unrealizable(adjective, impossible)
11 years ago|4.4k views|share |citing 
APASmart Define. (2015). unobtainable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unobtainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unobtainable thesaurus" https://smartdefine.org/unobtainable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unobtainable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unobtainable/thesaurus/synonyms>.
MLASmart Define. "unobtainable thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unobtainable/thesaurus/synonyms>