- Definitions|0
- Thesaurus|80
- Abbreviations|0
| unsubstantial(false, unstable, ill, shaky, insane) | |
| ailing(unstable, ill, shaky, insane, unhealthy) | |
| biconcave | |
| concave | |
| defective(ill, unhealthy, frail) | |
| delicate(unstable, ill, shaky, insane, unhealthy) | |
| dent | |
| dimply | |
| diseased(unstable, ill, shaky, insane, unhealthy) | |
| empty | |
| erroneous(false, ill, insane, unhealthy, frail) | |
| fallacious(false, ill, insane, unhealthy, frail) | |
| false(ill, insane, unhealthy, frail, incorrect) | |
| faulty(false, ill, insane, unhealthy, frail) | |
| frail(ill, unhealthy) | |
| hollow(adjective, empty, out) | |
| ill(unstable, shaky, insane, unhealthy, frail) | |
| inaccurate(false, ill, insane, unhealthy, frail) | |
| incorrect(false, ill, insane, unhealthy, frail) | |
| indention |
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| APA | Smart Define. (2013). not solid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/not_solid/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "not solid thesaurus" https://smartdefine.org/not_solid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2013, not solid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/not_solid/thesaurus/synonyms>. |
| MLA | Smart Define. "not solid thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/not_solid/thesaurus/synonyms> |