- Definitions|0
- Thesaurus|344
- Abbreviations|0
32 entries under adjective topic. ×
| improbable(doubtful, likely, unlikely, implausible) | |
| out of the ordinary(expression, idiom, light, strange) | |
| rare(light, thin, unusual, exceptional) | |
| standout | |
| strange(light, thin, unusual, exceptional) | |
| uncommon(light, thin, extraordinary, unusual) | |
| inconceivable(light, obscure, thin, strange) | |
| not likely(expression, doubtful, unlikely, implausible) | |
| off the beaten track(expression, extraordinary, unusual, exceptional) | |
| outside chance(expression, doubtful, unlikely, implausible) | |
| unlikely(light, thin, doubtful, rare) | |
| belief(impossible, inconceivable) | |
| incogitable(belief, impossible, inconceivable) | |
| inexplainable | |
| insupposable(belief, impossible, inconceivable) | |
| little-known | |
| little known(expression, strange, indefinite, unidentified) | |
| off beaten track(expression, idiom, wonderful, isolated) | |
| offbeat(extraordinary, unusual, exceptional, odd) | |
| outre(unusual, special, rare, uncommon) |
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| APA | Smart Define. (2013). unheard of thesaurus. Retrieved September 29, 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 29, 2026). |
| Harvard | Smart Define 2013, unheard of thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unheard_of/thesaurus/synonyms>. |
| MLA | Smart Define. "unheard of thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/unheard_of/thesaurus/synonyms> |