- Definitions|1
- Thesaurus|933
- Abbreviations|0
8 entries under illegible topic. ×
| unreadable | |
| indecipherable | |
| incomprehensible(adjective, unintelligibility) | |
| unclear | |
| impenetrable(adjective, unintelligibility) | |
| unintelligible(adjective, unintelligibility) | |
| obscure | |
| cryptic |
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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> |