66 entries under mysterious topic. ×
| secret(obscure, dark, superior, supernatural) | |
| superior(obscure, dark, supernatural, heavenly) | |
| uncomprehensible(obscure, dark, superior, supernatural) | |
| unfathomable(obscure, dark, superior, supernatural) | |
| unintelligible(obscure, dark, superior, supernatural) | |
| unknown(obscure, dark, superior, supernatural) |
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| APA | Smart Define. (2015). spectral thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/spectral/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spectral thesaurus" https://smartdefine.org/spectral/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, spectral thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/spectral/thesaurus/synonyms>. |
| MLA | Smart Define. "spectral thesaurus" 15 July 2015. Web. 30 September 2026. <https://smartdefine.org/spectral/thesaurus/synonyms> |