Synonyms|145Antonyms|65|Broader|0Narrower|0Related|377
16
inaccessible(adjective, out, expensive, high-priced, pricey)
14
unattainable(adjective, expensive, high-priced, pricey, pricely)
10
unapproachable(adjective, difficult, expensive, high-priced, pricey)
8
unavailable(adjective, expensive, high-priced, pricey, pricely)
8
unprocurable
7
unreachable(adjective, inaccessible, impossible, out-of-the-way, unattainable)
6
impossible(adjective, impossible)
4
impervious(adjective, impossibility)
4
out of reach(expression, idiom, unattainable, impossibility)
4
unaccessible
4
unfeasible(adjective, impossible, impossibility)
4
untouchable
3
impracticable(adjective, impossible)
3
unworkable(adjective, impossible)
2
absurd(adjective, impossible)
2
implausible(adjective, impossible)
2
incompatible
2
inconceivable(adjective, impossible)
2
infeasible
2
unachievable
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APASmart Define. (2015). unobtainable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unobtainable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unobtainable thesaurus" https://smartdefine.org/unobtainable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unobtainable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unobtainable/thesaurus/synonyms>.
MLASmart Define. "unobtainable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unobtainable/thesaurus/synonyms>