Impenetrability
Impenetrability noun - The quality or state of being impossible to know, understand, or explain.
Usage example: the impenetrability of her prose is apparently the basis of her appeal to literary snobs
Unknowability and impenetrability are semantically related. In some cases you can use "Unknowability" instead a noun "Impenetrability".
Nearby Words: impenetrable, impenetrably
Unknowability
Impenetrability and unknowability are semantically related. You can use "Impenetrability" instead a noun "Unknowability".
Cite this Source
Unknowability and Impenetrability. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impenetrability/unknowability
Impenetrability & Unknowability. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impenetrability/unknowability>.
Unknowability or Impenetrability. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impenetrability/unknowability.
Google Ngram Viewer shows how "impenetrability" and "unknowability" have occurred on timeline