- Definitions|2
- Thesaurus|939
- Abbreviations|0
| bottomless(adjective, senseless, unwarranted, wanton, superfluous) | |
| causeless(adjective, senseless, unwarranted, wanton, superfluous) | |
| debatable(adjective, true, real) | |
| disprovable(adjective, true, real) | |
| disputable(adjective, true, real) | |
| enough(adjective, unbearable) | |
| heavy | |
| indemonstrable(adjective, true, real) | |
| invalid | |
| needless(adjective, unwarranted, wanton, unfounded, uncalled-for) | |
| not necessary(expression, adjective, senseless, unwarranted, wanton) | |
| reasonless(adjective, senseless, unwarranted, wanton, superfluous) | |
| refutable(adjective, true, real) | |
| sharp | |
| supererogatory(adjective, senseless, unwarranted, wanton, superfluous) | |
| superfluous(adjective, senseless, unwarranted, wanton, gratuitous) | |
| unnecessary(adjective, unwarranted, wanton, uncalled-for) | |
| unproven | |
| unprovoked(adjective, senseless, unwarranted, wanton, superfluous) | |
| unsound |
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| APA | Smart Define. (2015). unsupportable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unsupportable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsupportable thesaurus" https://smartdefine.org/unsupportable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unsupportable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unsupportable/thesaurus/synonyms>. |
| MLA | Smart Define. "unsupportable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unsupportable/thesaurus/synonyms> |