- Definitions|2
- Thesaurus|73
- Abbreviations|0
| unsubstantial(false, unstable, shaky, insane) | |
| ailing(unstable, shaky, insane, unhealthy) | |
| defective(unhealthy, frail) | |
| delicate(unstable, shaky, insane, unhealthy) | |
| diseased(unstable, shaky, insane, unhealthy) | |
| erroneous(false, insane, unhealthy, frail) | |
| fallacious(false, insane, unhealthy, frail) | |
| false(insane, unhealthy, frail, incorrect) | |
| faulty(false, insane, unhealthy, frail) | |
| frail | |
| inaccurate(false, insane, unhealthy, frail) | |
| incorrect(false, insane, unhealthy, frail) | |
| infirm(unstable, shaky, insane, unhealthy) | |
| insane(false, unstable, shaky, unhealthy) | |
| invalid(unhealthy, frail) | |
| poorly(unhealthy, frail) | |
| rickety(unstable, shaky, insane, unhealthy) | |
| shaky(unstable, insane, unhealthy, frail) | |
| sick(unhealthy, frail) | |
| specious(false, insane, unhealthy, frail) |
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| APA | Smart Define. (2013). unbacked thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unbacked/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unbacked thesaurus" https://smartdefine.org/unbacked/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, unbacked thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unbacked/thesaurus/synonyms>. |
| MLA | Smart Define. "unbacked thesaurus" 28 June 2013. Web. 27 September 2026. <https://smartdefine.org/unbacked/thesaurus/synonyms> |