- Definitions|1
- Thesaurus|686
- Abbreviations|0
60 entries under special topic. ×
| infrequent(excellent, unusual, brilliant, rare) | |
| noteworthy(excellent, extraordinary, unusual, exceptional) | |
| odd(excellent, extraordinary, unusual, exceptional, marvelous) | |
| peculiar(adjective, excellent, extraordinary, unusual, exceptional) | |
| scarce(light, excellent, thin, unusual) | |
| strange(adjective, light, extraordinary, exceptional) | |
| unheard of(light, thin, extraordinary, unusual, strange) | |
| unprecedented(excellent, extraordinary, unusual, exceptional, marvelous) | |
| weird(adjective, extraordinary, unusual, exceptional, marvelous) | |
| aberrant(excellent, unusual, brilliant, rare) | |
| abnormal(excellent, unusual, brilliant, rare) | |
| anomalous(excellent, unusual, brilliant, rare) | |
| arcane(unusual, rare) | |
| atypical(excellent, extraordinary, brilliant, remarkable) | |
| distinctive(unusual, rare) | |
| eccentric(extraordinary, unusual, exceptional, remarkable) | |
| exotic(unusual, rare) | |
| few(light, thin, unusual, rare) | |
| freakish(unusual, rare) | |
| incomparable(excellent, unusual, brilliant, rare) |
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| APA | Smart Define. (2015). unthinkable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unthinkable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unthinkable thesaurus" https://smartdefine.org/unthinkable/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unthinkable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unthinkable/thesaurus/synonyms>. |
| MLA | Smart Define. "unthinkable thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unthinkable/thesaurus/synonyms> |