- Definitions|1
- Thesaurus|459
- Abbreviations|0
| unwarrantable | |
| vincible | |
| aidless | |
| bad(adjective, useless, unfit) | |
| beyond the pale(expression, idiom) | |
| casuistic | |
| deficient(adjective, unacceptable) | |
| disabled(adjective, useless, unfit) | |
| disused(adjective, useless, unfit) | |
| dull(adjective, useless, unfit) | |
| erroneous | |
| exceptionable | |
| extreme(adjective, defended, verbal attack) | |
| fatherless | |
| fishy(absurd, unbelievable, implausible, preposterous, improbable) | |
| flimsy(absurd, unwarranted, untrue, implausible, preposterous) | |
| friendless | |
| guideless | |
| ill-founded | |
| ill-suited(adjective, useless, unfit) |
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| APA | Smart Define. (2016). untenable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/untenable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "untenable thesaurus" https://smartdefine.org/untenable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, untenable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/untenable/thesaurus/synonyms>. |
| MLA | Smart Define. "untenable thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/untenable/thesaurus/synonyms> |