- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
384 entries under adjective topic. ×
| uncorporal(body, immaterial) | |
| undependable(uncertain, feeble, shaky, hesitant) | |
| unessential(small, unimportant, minor) | |
| unreliable(false, loose, unstable, ill) | |
| weird(strange, fantasy, unreal, shadowy) | |
| white(dull, light, soft, poor) | |
| wraithlike | |
| absurd(value, insignificant, unimportant, empty) | |
| aged(weak, thin, delicate, feeble) | |
| agile(light, slight, easy, thin) | |
| ailing(weak, thin, delicate, unstable) | |
| aimless(value, insignificant, unimportant, empty) | |
| anemic(dull, light, weak, soft) | |
| ashen(dull, light, soft, poor) | |
| ashy(dull, light, soft, poor) | |
| atmospheric(light, slight, easy, thin) | |
| bizarre(strange, fantasy, unreal) | |
| blank(value, negative, insignificant, unimportant) | |
| bloodless(dull, light, soft, poor) | |
| broken-down(feeble, dilapidated, debilitated, deteriorated) |
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| APA | Smart Define. (2016). insubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, insubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "insubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms> |