- Definitions|2
- Thesaurus|741
- Abbreviations|0
23 entries under sphinx-like topic. ×
| inexplicable(adjective, obscure, solid, extraordinary, superior) | |
| incomprehensible(adjective, obscure, solid, strange, doubtful) | |
| unexplainable(adjective, obscure, difficult, strange, explain) | |
| unintelligible(adjective, obscure, solid, strange, doubtful) | |
| impenetrable(adjective, obscure, solid, strange, doubtful) | |
| unfathomable(adjective, obscure, solid, strange, doubtful) | |
| mystic(adjective, solid, strange, secret, supernatural) | |
| arcane(adjective, solid, strange, doubtful, vague) | |
| unknowable(adjective, solid, strange, mysterious, secret) | |
| ambiguous(adjective, obscure, doubtful, vague, unclear) | |
| difficult(adjective, obscure, mysterious, hidden, unfathomable) | |
| enigmatic(adjective, obscure, solid, doubtful, vague) | |
| undiscoverable(adjective, difficult, hidden, unfathomable, incomprehensible) | |
| cabalistic(adjective, solid, mysterious, secret, supernatural) | |
| hidden(adjective, solid, doubtful, vague, mysterious) | |
| indecipherable(obscure, mysterious, unfathomable, enigmatic) | |
| mysterial(adjective, difficult, mysterious, secret, supernatural) | |
| secret(adjective, mysterious, supernatural, hidden, spiritual) | |
| deadpan(unfathomable, enigmatic) | |
| mysterious blank(expression, difficult, hidden, unfathomable, incomprehensible) |
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| APA | Smart Define. (2015). unaccountable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unaccountable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unaccountable thesaurus" https://smartdefine.org/unaccountable/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unaccountable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unaccountable/thesaurus/synonyms>. |
| MLA | Smart Define. "unaccountable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unaccountable/thesaurus/synonyms> |