28 entries under one-off topic. ×
| unexampled(adjective, exceptional, rare, exclusive, single) | |
| unparalleled(adjective, exceptional, individual, exclusive, single) | |
| different(adjective, separate, exceptional, special, rare) | |
| inimitable(adjective, exceptional, exclusive, single, unique) | |
| rare(adjective, exceptional, exclusive, single, alone) | |
| special(adjective, separate, exceptional, exclusive, single) | |
| sui generis(expression, adjective, exceptional, rare, exclusive) | |
| uncommon(adjective, separate, exceptional, special, rare) |
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| APA | Smart Define. (2016). one and only thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/one_and_only/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "one and only thesaurus" https://smartdefine.org/one_and_only/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, one and only thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/one_and_only/thesaurus/synonyms>. |
| MLA | Smart Define. "one and only thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/one_and_only/thesaurus/synonyms> |