- Definitions|1
- Thesaurus|697
- Abbreviations|0
| high(adjective, expensive, high-priced, pricey, pricely) | |
| impassable(adjective, inaccessible, impossible, impossibility) | |
| implausible(adjective, impossible) | |
| improbable(adjective, wild, unreasonable, useless, absurd) | |
| incompatible | |
| inoperable(wild, unreasonable, useless, absurd, unrealistic) | |
| preposterous(adjective, impossible) | |
| quixotic(adjective, wild, unreasonable, useless, intellectual) | |
| romantic(wild, unreasonable, useless, absurd, unrealistic) | |
| un-come-at-able | |
| unaccessible | |
| ungettable(adjective, inaccessible) | |
| unnegotiable(adjective, impracticable) | |
| unusable(adjective, wild, unreasonable, useless, absurd) | |
| unrealistic(adjective, wild, unreasonable, useless, absurd) | |
| absent(adjective, unobtainable) | |
| absentee | |
| abstract(adjective, wild, unreasonable, useless, intellectual) | |
| astronomical(adjective, expensive, high-priced, pricey, pricely) | |
| chimerical(adjective, wild, unreasonable, useless, intellectual) |
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| APA | Smart Define. (2015). unattainable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unattainable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unattainable thesaurus" https://smartdefine.org/unattainable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unattainable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unattainable/thesaurus/synonyms>. |
| MLA | Smart Define. "unattainable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unattainable/thesaurus/synonyms> |