- Definitions|2
- Thesaurus|746
- Abbreviations|0
68 entries under blank topic. ×
| incomprehensible(adjective, knowledge, solid, dark, strange) | |
| enigmatic(adjective, obscure, strange, sophisticated) | |
| unfathomable(adjective, knowledge, obscure, dark, strange) | |
| impenetrable(adjective, knowledge, obscure, sophisticated) | |
| inexplicable(adjective, solid, dark, uncertain) | |
| unintelligible(adjective, knowledge, solid, dark, strange) | |
| arcane(adjective, solid, strange, dense) | |
| mystic(adjective, solid, strange, secret) | |
| difficult(adjective, strange, hidden, complicated) | |
| unaccountable(adjective, solid, strange, dense) | |
| unexplainable(adjective, strange, hidden, unfathomable) | |
| ambiguous(adjective, dark, uncertain, mysterious) | |
| cabalistic(adjective, solid, strange, dense) | |
| impassive(adjective, dull, quiet, cool, moderate) | |
| secret(adjective, dark, strange, uncertain) | |
| expressionless(adjective, dull, dead, impassive) | |
| unknowable(adjective, solid, strange, dense) | |
| deadpan(adjective, dull, dead, impassive) | |
| nonchalant(adjective, cool, aloof, unemotional) | |
| poker-faced(adjective, dull, cool, dead) |
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| APA | Smart Define. (2015). inscrutable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/inscrutable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inscrutable thesaurus" https://smartdefine.org/inscrutable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, inscrutable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/inscrutable/thesaurus/synonyms>. |
| MLA | Smart Define. "inscrutable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/inscrutable/thesaurus/synonyms> |