Impenetrable
Impenetrable adjective - Impossible to understand.
Usage example: the textbook's language is completely impenetrable, at least to me
Indecipherable and impenetrable are semantically related In some cases you can use "Indecipherable" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Indecipherable
Indecipherable adjective - Incapable of being read or deciphered.
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Synonyms for Indecipherable
Impenetrable and indecipherable are semantically related in unintelligible topic. You can use "Impenetrable" instead an adjective "Indecipherable".
Mutual synonyms
Related pairs
- unfathomable and impenetrable
- unfathomable and indecipherable
- obscure and impenetrable
- obscure and indecipherable
- unclear and impenetrable
- unclear and indecipherable
- cryptic and impenetrable
- cryptic and indecipherable
- recondite and impenetrable
- recondite and indecipherable
- dark and impenetrable
- dark and indecipherable
- arcane and impenetrable
- arcane and indecipherable
Cite this Source
Indecipherable and Impenetrable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impenetrable/indecipherable
Impenetrable & Indecipherable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impenetrable/indecipherable>.
Indecipherable or Impenetrable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impenetrable/indecipherable.
Google Ngram Viewer shows how "impenetrable" and "indecipherable" have occurred on timeline