46 entries under feature topic. ×
| unrepeatable(adjective, extraordinary, unusual, exceptional) | |
| unrepeated(adjective, equal, special, include) | |
| notable(adjective, unusual, special, remarkable) | |
| quirky(adjective, special, only, one) | |
| superior(adjective, unusual, special, remarkable) | |
| in a class by itself(expression, idiom, single, only) |
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| APA | Smart Define. (2016). unique thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unique/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unique thesaurus" https://smartdefine.org/unique/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, unique thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unique/thesaurus/synonyms>. |
| MLA | Smart Define. "unique thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/unique/thesaurus/synonyms> |