- Definitions|0
- Thesaurus|223
- Abbreviations|0
| insurmountable | |
| otherworldly(adjective, impracticable) | |
| quixotic(adjective, impracticable) | |
| romantic(adjective, impracticable) | |
| speculative(adjective, impracticable) | |
| theoretical(adjective, impracticable) | |
| unchallengeable | |
| unreal(adjective, impracticable) | |
| unrealizable | |
| visionary(adjective, impracticable) | |
| entailed | |
| imprescriptible | |
| inapplicable(adjective, impracticable) | |
| indefeasible | |
| inefficacious(adjective, impracticable) | |
| infeasible(adjective, impracticable) | |
| inherent | |
| intransferable | |
| inviolable | |
| irrealizable(adjective, impracticable) |
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| APA | Smart Define. (2015). unnegotiable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unnegotiable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unnegotiable thesaurus" https://smartdefine.org/unnegotiable/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unnegotiable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unnegotiable/thesaurus/synonyms>. |
| MLA | Smart Define. "unnegotiable thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unnegotiable/thesaurus/synonyms> |