61 entries under special topic. ×
| unique(adjective, wrong, excellent, unusual) | |
| curious(adjective, unusual, wild, strange, exceptional) | |
| rare(adjective, excellent, extraordinary, unusual, strange) | |
| infrequent(adjective, excellent, extraordinary, unusual) | |
| uncustomary(adjective, excellent, unusual, strange) | |
| novel(adjective, unusual, rare, nonconforming) | |
| unfamiliar(adjective, unusual, odd, rare) | |
| unwonted(adjective, unusual, rare, unconventional) | |
| exotic(adjective, unusual, rare) | |
| fantastic(adjective, extraordinary, unusual, strange, wonderful) | |
| egregious(unusual, rare, unconformity) | |
| remarkable(adjective, excellent, unusual, strange) | |
| unparalleled(adjective, unusual, rare) | |
| unprecedented(adjective, excellent, unusual, brilliant) | |
| out of the ordinary(expression, idiom, unusual, strange) | |
| scarce(excellent, unusual, chance, brilliant) | |
| arcane(unusual, rare) | |
| brilliant(excellent, lively, unpredictable, changeable) | |
| distinctive(unusual, rare) | |
| extreme(adjective, unusual, rare, scarce) |
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| APA | Smart Define. (2016). irregular thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, irregular thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>. |
| MLA | Smart Define. "irregular thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms> |