Impenetrability and Opacity

Impenetrability

Impenetrability noun - The quality or state of being impossible to know, understand, or explain.

Opacity and impenetrability are semantically related In some cases you can use "Opacity" instead a noun "Impenetrability".

Nearby Words: impenetrable, impenetrably

Opacity

Opacity noun - The quality or state of having a veiled or uncertain meaning.
Usage example: the opacity of the abstract painter's works simply baffles many gallery visitors

Impenetrability and opacity are semantically related in lack of clarity topic. You can use "Impenetrability" instead a noun "Opacity".
Cite this Source
Opacity and Impenetrability. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/impenetrability/opacity
Impenetrability & Opacity. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/impenetrability/opacity>.
Opacity or Impenetrability. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/impenetrability/opacity.
Google Ngram Viewer shows how "impenetrability" and "opacity" have occurred on timeline