- Definitions|0
- Thesaurus|60
- Abbreviations|1
14 entries under impenetrable topic. ×
| opaque(unfathomable, unintelligible, puzzling) | |
| unclear(vague, ambiguous, misleading, unfathomable) | |
| Greek(unfathomable, opaque, unintelligible, puzzling) | |
| beats me(expression, unfathomable, opaque, unintelligible) | |
| beyond comprehension(expression, unfathomable, opaque, unintelligible) | |
| cryptic(unfathomable, opaque, unintelligible, puzzling) | |
| fathomless(unfathomable, opaque, unintelligible, puzzling) | |
| inconceivable(unfathomable, opaque, unintelligible, puzzling) | |
| mystifying(unfathomable, opaque, unintelligible, puzzling) | |
| not understandable(expression, unfathomable, opaque, unintelligible) | |
| perplexing(unfathomable, opaque, unintelligible, puzzling) | |
| puzzling(vague, ambiguous, misleading, unfathomable) | |
| unimaginable(unfathomable, opaque, unintelligible, puzzling) | |
| unknowable(deep, unfathomable, profound, opaque) |
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| APA | Smart Define. (2015). clear as mud thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/clear_as_mud/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "clear as mud thesaurus" https://smartdefine.org/clear_as_mud/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, clear as mud thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/clear_as_mud/thesaurus/synonyms>. |
| MLA | Smart Define. "clear as mud thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/clear_as_mud/thesaurus/synonyms> |