- Definitions|0
- Thesaurus|344
- Abbreviations|0
20 entries under thin topic. ×
| rare(adjective, light, unusual, exceptional) | |
| strange(adjective, light, unusual, exceptional) | |
| uncommon(adjective, light, extraordinary, unusual) | |
| exceptional(light, extraordinary, unusual, special) | |
| extraordinary(light, unusual, strange, exceptional) | |
| few(light, unusual, special, rare) | |
| flimsy(light, strange, doubtful, rare) | |
| inconceivable(adjective, light, obscure, strange) | |
| isolated(light, rare, reclusive, uncompanionable) | |
| remarkable(light, extraordinary, unusual, exceptional) | |
| scarce(light, unusual, special, rare) | |
| seldom(light, unusual, special, rare) | |
| singular(light, extraordinary, unusual, strange) | |
| sporadic(light, unusual, special, rare) | |
| unimaginable(light, special, doubtful, rare) | |
| unlikely(adjective, light, doubtful, rare) | |
| unthinkable(light, extraordinary, unusual, strange) | |
| unusual(light, extraordinary, exceptional, special) | |
| unwonted(light, extraordinary, unusual, strange) | |
| outstanding(light, unusual, special, rare) |
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| APA | Smart Define. (2013). unheard of thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unheard_of/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unheard of thesaurus" https://smartdefine.org/unheard_of/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, unheard of thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unheard_of/thesaurus/synonyms>. |
| MLA | Smart Define. "unheard of thesaurus" 19 May 2013. Web. 28 September 2026. <https://smartdefine.org/unheard_of/thesaurus/synonyms> |