- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
| possible(adjective, unreasonable, likely, unlikely, attainable) | |
| likely(adjective, unlikely) | |
| feasible(adjective, improper, possible, doable) | |
| credible(adjective, unsound, unbelievable, believable) | |
| achievable | |
| attainable | |
| believable | |
| manageable | |
| practicable(adjective, unreasonable) | |
| realistic | |
| tolerable | |
| conceivable | |
| doable | |
| plausible | |
| possibility(noun, chance, certainty, likelihood, feasibility) | |
| potential(noun, adjective, possibility, promising) | |
| practical(adjective, reasonable, sensible, unreasonable, useful) | |
| probable | |
| viable(adjective, reasonable, practicable) | |
| hands-on |
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| APA | Smart Define. (2016). impossible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impossible/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "impossible thesaurus" https://smartdefine.org/impossible/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, impossible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impossible/thesaurus/antonyms>. |
| MLA | Smart Define. "impossible thesaurus" 9 March 2016. Web. 22 September 2026. <https://smartdefine.org/impossible/thesaurus/antonyms> |