- Definitions|2
- Thesaurus|614
- Abbreviations|0
207 entries under adjective topic. ×
| mysterial(difficult, mysterious, secret, supernatural) | |
| off the record(expression, idiom, intimate, secret) | |
| other-worldly | |
| paranormal(supernatural, spiritual, mystical) | |
| remarkable(unusual, special, rare) | |
| shadowy | |
| shrouded(obscure, unknown, clandestine, underground) | |
| sphinxlike(obscure, difficult, dark, strange) | |
| symbolic | |
| tenebrous(obscure, difficult, strange, uncertain) | |
| undecipherable | |
| underhand(clandestine, underground, undisclosed) | |
| unexplainable(difficult, strange, hidden, unfathomable) | |
| unimaginable(unusual, special, rare) | |
| unintelligible(obscure, difficult, solid, strange) | |
| unnatural | |
| unseen(obscure, unknown, clandestine, underground) | |
| Byzantine | |
| Gordian | |
| acerbic(sharp, ironic, deadpan, understated) |
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| APA | Smart Define. (2015). arcane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/arcane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "arcane thesaurus" https://smartdefine.org/arcane/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, arcane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/arcane/thesaurus/synonyms>. |
| MLA | Smart Define. "arcane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/arcane/thesaurus/synonyms> |