- Definitions|2
- Thesaurus|575
- Abbreviations|0
97 entries under strange topic. ×
| uncharted(adjective, new, remote, unknown) | |
| undistinguished(adjective, new, remote, unknown) | |
| unthinkable(adjective, extraordinary, exceptional, marvelous) | |
| anonymous(adjective, unknown, indefinite, unidentified) | |
| incomprehensible(adjective, unfathomable, puzzling) | |
| outstanding(adjective, excellent, extraordinary, unusual) | |
| unlikely(adjective, obscure, extraordinary, doubtful) | |
| unnamed(adjective, unknown, indefinite, unidentified) | |
| unrenowned(adjective, obscure, new, remote) | |
| astonishing(adjective, unusual, superb, exceptional) | |
| astounding(adjective, pleasant, superb, exceptional) | |
| exotic(adjective, new, exceptional, fantastic) | |
| little known(expression, new, remote, indefinite) | |
| marvelous(adjective, excellent, extraordinary, unusual) | |
| mind-boggling(adjective, extraordinary, unbelievable, implausible) | |
| mysterious(indefinite, unidentified) | |
| puzzling | |
| staggering(adjective, pleasant, extraordinary, superb) | |
| stupendous(adjective, pleasant, unusual, superb) | |
| surprising(adjective, unusual, superb, exceptional) |
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| APA | Smart Define. (2015). unheard-of thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unheard-of/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unheard-of thesaurus" https://smartdefine.org/unheard-of/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, unheard-of thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unheard-of/thesaurus/synonyms>. |
| MLA | Smart Define. "unheard-of thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/unheard-of/thesaurus/synonyms> |