24 entries under unsubstantiality topic. ×
| smallness | |
| stuff and nonsense(expression, idiom) | |
| thing of naught(expression, idiom) | |
| zero |
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| APA | Smart Define. (2015). umbra thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/umbra/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "umbra thesaurus" https://smartdefine.org/umbra/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, umbra thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/umbra/thesaurus/synonyms>. |
| MLA | Smart Define. "umbra thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/umbra/thesaurus/synonyms> |