- Definitions|2
- Thesaurus|2.4k
- Abbreviations|0
384 entries under adjective topic. ×
| inconsiderable(weak, slight, poor, low) | |
| ineffective(dull, light, soft, poor) | |
| ineffectual(dull, light, weak, soft) | |
| jerry-built | |
| lame(weak, flat, poor, thin) | |
| minor(small, unimportant) | |
| otherworldly(strange, fantasy, unreal) | |
| pale(dull, light, soft, poor) | |
| phantom | |
| scant(mean, slight, flat, poor) | |
| shallow(weak, slight, thin, feeble) | |
| spectral(dull, light, soft, poor) | |
| unbodied(body, immaterial) | |
| valueless(value, insignificant, unimportant, empty) | |
| wispy(light, weak, thin, delicate) | |
| worthless(value, insignificant, unimportant, trivial) | |
| adolescent | |
| baseless | |
| breakable(weak, delicate, infirm, flimsy) | |
| chimeric(strange, fantasy, unreal) |
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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> |