- Definitions|2
- Thesaurus|614
- Abbreviations|0
57 entries under special topic. ×
| scarce(unusual, rare) | |
| seldom(unusual, rare) | |
| singular(unusual, rare) | |
| sporadic(unusual, rare) | |
| startling(unusual, rare) | |
| superior(unusual, rare) | |
| surprising(unusual, rare) | |
| unaccustomed(unusual, rare) | |
| unconventional(unusual, rare) | |
| uncustomary(unusual, rare) | |
| unheard of(expression, unusual, rare) | |
| unorthodox(unusual, rare) | |
| unparalleled(unusual, rare) | |
| unprecedented(unusual, rare) | |
| unthinkable(unusual, rare) | |
| unwonted(unusual, strange, rare, unfathomable) | |
| very different(expression, unusual, rare) |
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| APA | Smart Define. (2015). arcane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/arcane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "arcane thesaurus" https://smartdefine.org/arcane/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, arcane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/arcane/thesaurus/synonyms>. |
| MLA | Smart Define. "arcane thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/arcane/thesaurus/synonyms> |