Synonyms|45Antonyms|0|Broader|0Narrower|0Related|15

14 entries under impenetrable topic. ×

2
opaque(unfathomable, unintelligible, puzzling)
2
unclear(vague, ambiguous, misleading, unfathomable)
1
Greek(unfathomable, opaque, unintelligible, puzzling)
1
beats me(expression, unfathomable, opaque, unintelligible)
1
beyond comprehension(expression, unfathomable, opaque, unintelligible)
1
cryptic(unfathomable, opaque, unintelligible, puzzling)
1
fathomless(unfathomable, opaque, unintelligible, puzzling)
1
inconceivable(unfathomable, opaque, unintelligible, puzzling)
1
mystifying(unfathomable, opaque, unintelligible, puzzling)
1
not understandable(expression, unfathomable, opaque, unintelligible)
1
perplexing(unfathomable, opaque, unintelligible, puzzling)
1
puzzling(vague, ambiguous, misleading, unfathomable)
1
unimaginable(unfathomable, opaque, unintelligible, puzzling)
1
unknowable(deep, unfathomable, profound, opaque)
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). clear as mud thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/clear_as_mud/thesaurus/synonyms
ChicagoSmart Define. 2015. "clear as mud thesaurus" https://smartdefine.org/clear_as_mud/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, clear as mud thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/clear_as_mud/thesaurus/synonyms>.
MLASmart Define. "clear as mud thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/clear_as_mud/thesaurus/synonyms>