- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
384 entries under adjective topic. ×
| ethereal(light, slight, easy, thin) | |
| imaginary(strange, negative, fantasy, imaginary) | |
| decrepit(strong, light, weak, slight) | |
| delicate(strong, light, weak, slight) | |
| ephemeral(light, weak, slight, short) | |
| gossamer(light, thin, feeble, flimsy) | |
| light(weak, soft, slight, thin) | |
| unsound(strong, light, weak, slight) | |
| visionary(fake, false, strange, fantasy) | |
| paltry(weak, slight, thin, delicate) | |
| puny(strong, light, weak, slight) | |
| trifling(light, slight, easy, thin) | |
| impalpable(fake, false, abstract, fanciful) | |
| inconsequential(light, slight, easy, thin) | |
| infirm(strong, light, weak, slight) | |
| rickety(weak, slight, weakness, thin) | |
| shadowy(unsubstantiality, inexistence) | |
| bodiless(body, abstract, theoretical, abstruse) | |
| false(light, weak, slight, fake) | |
| fancied(strange, negative, fantasy, unreal) |
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| APA | Smart Define. (2016). insubstantial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, insubstantial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "insubstantial thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms> |