- Definitions|1
- Thesaurus|933
- Abbreviations|0
13 entries under unintelligibility topic. ×
| incomprehensible(adjective, illegible) | |
| impenetrable(adjective, illegible) | |
| unintelligible(adjective, illegible) | |
| unfathomable | |
| inscrutable | |
| unaccountable | |
| unknowable | |
| inapprehensible | |
| inexplicable | |
| insoluble | |
| insolvable | |
| undiscoverable | |
| incognizable |
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| APA | Smart Define. (2015). undecipherable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undecipherable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undecipherable thesaurus" https://smartdefine.org/undecipherable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, undecipherable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undecipherable/thesaurus/synonyms>. |
| MLA | Smart Define. "undecipherable thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/undecipherable/thesaurus/synonyms> |