- Definitions|1
- Thesaurus|65
- Abbreviations|0
24 entries under sphinx-like topic. ×
| unexplainable(adjective, difficult, ambiguous, hidden, unfathomable) | |
| unfathomable(adjective, hidden, incomprehensible, enigmatic) | |
| unintelligible(adjective, hidden, unfathomable, incomprehensible, enigmatic) | |
| unreadable(ambiguous, unfathomable, enigmatic) |
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| APA | Smart Define. (2011). mysterial thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/mysterial/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "mysterial thesaurus" https://smartdefine.org/mysterial/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2011, mysterial thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/mysterial/thesaurus/synonyms>. |
| MLA | Smart Define. "mysterial thesaurus" 23 May 2011. Web. 1 October 2026. <https://smartdefine.org/mysterial/thesaurus/synonyms> |