15 entries under unable topic. ×
| inexplicable(adjective, strange, explanation, unfathomable) | |
| unsolvable(adjective, unfathomable, answered, solved) | |
| inextricable(adjective, inscrutable, answered, irresolvable) | |
| difficult(adjective, tough, wild, strange, awkward) | |
| mystifying(adjective, answered) | |
| baffling(adjective, answered) | |
| obscure(adjective, understood, answered) | |
| impenetrable(adjective, strange, inexplicable, unexplained) | |
| unfathomable(adjective, strange, inexplicable, unexplained) | |
| unaccountable(adjective, unintelligibility, answered) | |
| irresolvable(adjective, answered) | |
| unresolved(adjective, answered) | |
| unsolved(adjective, answered) | |
| indecipherable(adjective, answered) | |
| unconcluded(adjective, answered) |
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| APA | Smart Define. (2015). insoluble thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insoluble/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insoluble thesaurus" https://smartdefine.org/insoluble/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, insoluble thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insoluble/thesaurus/synonyms>. |
| MLA | Smart Define. "insoluble thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/insoluble/thesaurus/synonyms> |