Arcane
Arcane adjective - Difficult for one of ordinary knowledge or intelligence to understand.
Usage example: grammatical rules that seem arcane to generations of students who were never taught grammar in the first place
Impenetrable is a synonym for arcane in esoteric topic. In some cases you can use "Impenetrable" instead an adjective "Arcane", when it comes to topics like hidden.
Impenetrable
Impenetrable adjective - Being beyond one's powers to know, understand, or explain.
Usage example: the mysteries of that religion are completely impenetrable to outsiders
Arcane is a synonym for impenetrable in incomprehensible topic. You can use "Arcane" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Mutual synonyms
Related pairs
- abstruse and arcane
- abstruse and impenetrable
- unfathomable and arcane
- unfathomable and impenetrable
- obscure and arcane
- obscure and impenetrable
- cryptic and arcane
- cryptic and impenetrable
- esoteric and arcane
- esoteric and impenetrable
- recondite and arcane
- recondite and impenetrable
- dark and arcane
- dark and impenetrable
Cite this Source
Impenetrable and Arcane. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arcane/impenetrable
Arcane & Impenetrable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arcane/impenetrable>.
Impenetrable or Arcane. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arcane/impenetrable.
Google Ngram Viewer shows how "arcane" and "impenetrable" have occurred on timeline