- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
78 entries under soft topic. ×
| insubstantial(adjective, dull, body, strong, light) | |
| weak(adjective, dull, strong, light, great) | |
| thin(adjective, dull, light, weak, great) | |
| feeble(adjective, dull, strong, light, weak) | |
| slight(adjective, light, weak, easy) | |
| light(adjective, weak, slight, thin) | |
| insignificant(adjective, weak, gentle, mild) | |
| puny(adjective, strong, light, weak) | |
| spectral(adjective, dull, light, poor) | |
| trivial(adjective, light, weak, slight) | |
| poor(adjective, dull, light, weak) | |
| trifling(adjective, light, weak, slight) | |
| inadequate(adjective, dull, light, weak) | |
| pale(adjective, dull, light, poor) | |
| unimportant(adjective, weak, gentle, mild) | |
| faint(adjective, dull, light, weak) | |
| inconsequential(adjective, light, weak, slight) | |
| frivolous(weak, gentle, content) | |
| inconsiderable(adjective, weak, gentle, mild) | |
| dim(adjective, dull, light, obscure) |
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Unsubstantial on
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| APA | Smart Define. (2016). unsubstantial thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, unsubstantial thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "unsubstantial thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms> |