- Definitions|0
- Thesaurus|538
- Abbreviations|0
49 entries under quality topic. ×
| untenable(adjective, weakness, instability, unfounded) | |
| indefensible(adjective, weakness, invalid, instability) | |
| unjustifiable(adjective, weakness, instability, defended) | |
| unverifiable(adjective, weakness, true, real) | |
| groundless(adjective, weakness, instability, defended) | |
| unmaintainable(adjective, weakness, instability) | |
| insupportable(adjective, support, weakness, true) | |
| implausible(adjective, weakness, instability) | |
| unmanageable(adjective, weakness, instability) | |
| unsanctionable(adjective, weakness, instability) | |
| fleeting(adjective, weakness, instability) | |
| temporary(adjective, weakness, instability) | |
| unendurable(adjective, weakness, instability) | |
| unfeasible(adjective, weakness, instability) | |
| unsuitable(adjective, weakness, instability) | |
| unviable(adjective, weakness, instability) | |
| unworkable(adjective, weakness, instability) | |
| unfounded(adjective, weakness, instability, defended) | |
| brief(adjective, weakness, instability) | |
| unsound(adjective, weakness, instability, defended) |
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| APA | Smart Define. (2015). unsustainable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsustainable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsustainable thesaurus" https://smartdefine.org/unsustainable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unsustainable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsustainable/thesaurus/synonyms>. |
| MLA | Smart Define. "unsustainable thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unsustainable/thesaurus/synonyms> |