- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
350 entries under adjective topic. ×
| rotten(bad, false, uncertain, feeble) | |
| sheer(light, weak, slight, easy) | |
| strange(extraordinary, fantasy, unreal, unbelievable) | |
| subtile(fine, thin, delicate, slim) | |
| subtle(fine, thin, delicate, slim) | |
| superficial(weak, soft, gentle, thin) | |
| surreal(strange, fantasy, unreal) | |
| uncertain(feeble, doubtful, hesitant, sluggish) | |
| unconceivable(likely, implausible) | |
| uncorporal(body, immaterial) | |
| undependable(uncertain, feeble, shaky, hesitant) | |
| useless(trivial, insufficient, hopeless, pointless) | |
| wasted(uncertain, feeble, useless, hesitant) | |
| weakened(uncertain, feeble, shaky, hesitant) | |
| weird(strange, fantasy, imaginary, unreal) | |
| white(dull, light, soft, poor) | |
| wimpy(weak, thin, delicate, feeble) | |
| tender(weak, delicate, uncertain, feeble) | |
| agile(light, slight, easy, thin) | |
| ailing(weak, delicate, false, unstable) |
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| APA | Smart Define. (2016). unsubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unsubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>. |
| MLA | Smart Define. "unsubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms> |