Impenetrable
Impenetrable adjective - Impossible to get through or into.
Unsolved and impenetrable are semantically related In some cases you can use "Unsolved" instead an adjective "Impenetrable".
Nearby Words: impenetrability, impenetrably
Unsolved
Unsolved adjective - Not solved.
Impenetrable and unsolved are semantically related in mysterious topic. Sometimes you can use "Impenetrable" instead an adjective "Unsolved".
Mutual synonyms
Related pairs
- difficult and impenetrable
- difficult and unsolved
- abstruse and impenetrable
- abstruse and unsolved
- unfathomable and impenetrable
- unfathomable and unsolved
- obscure and impenetrable
- obscure and unsolved
- unclear and impenetrable
- unclear and unsolved
- cryptic and impenetrable
- cryptic and unsolved
- recondite and impenetrable
- recondite and unsolved
Cite this Source
Unsolved and Impenetrable. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/impenetrable/unsolved
Impenetrable & Unsolved. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/impenetrable/unsolved>.
Unsolved or Impenetrable. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/impenetrable/unsolved.
Google Ngram Viewer shows how "impenetrable" and "unsolved" have occurred on timeline