135 entries under mysterious topic. ×
| inexplicable(adjective, obscure, dark, strange, uncertain) | |
| intricate(adjective, evil, heavy, deep, serious) | |
| knotty(adjective, evil, deep, hidden) | |
| legendary(obscure, dark, superior, supernatural) | |
| little known(obscure, strange, new, complex, remote) | |
| metaphysical(obscure, dark, supernatural, heavenly) | |
| miraculous(obscure, dark, superior, supernatural) | |
| mysterial(adjective, supernatural, hidden, spiritual) | |
| mythical(obscure, dark, superior, supernatural) | |
| mythological(obscure, dark, superior, supernatural) | |
| new(strange, remote, indefinite, unidentified) | |
| not known(expression, adjective, idiom, evil, deep) | |
| numinous(obscure, dark, superior, supernatural) | |
| oracular(adjective, dark, strange, uncertain) | |
| paranormal(obscure, dark, supernatural, heavenly) | |
| perplexing(dark, strange, uncertain, inexplicable) | |
| phantom(obscure, dark, superior, supernatural) | |
| psychic(obscure, dark, supernatural, heavenly) | |
| puzzling(adjective, evil, obscure, dark, strange) | |
| rare(obscure, dark, superior, supernatural) |
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| APA | Smart Define. (2016). secret thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/secret/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "secret thesaurus" https://smartdefine.org/secret/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, secret thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/secret/thesaurus/synonyms>. |
| MLA | Smart Define. "secret thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/secret/thesaurus/synonyms> |