Impenetrability
Impenetrability noun - The quality or state of being impossible to know, understand, or explain.
Surplus and impenetrability are semantically related. In some cases you can use "Surplus" instead a noun "Impenetrability".
Nearby Words: impenetrable, impenetrably
Surplus
Surplus noun - The state or an instance of going beyond what is usual, proper, or needed.
Impenetrability and surplus are semantically related. Sometimes you can use "Impenetrability" instead a noun "Surplus".
Nearby Word: surplusage
Cite this Source
Surplus and Impenetrability. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/impenetrability/surplus
Impenetrability & Surplus. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/impenetrability/surplus>.
Surplus or Impenetrability. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/impenetrability/surplus.
Google Ngram Viewer shows how "impenetrability" and "surplus" have occurred on timeline