Impenetrability and Instability

Opposite meaning words

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

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Instability is an antonym for impenetrability in stiffness topic.

Nearby Words: impenetrable, impenetrably

Instability noun - The quality or state of not being firmly fixed in position.

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Impenetrability is an antonym for instability.

Nearby Word: instance

Cite this Source

Instability and Impenetrability. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impenetrability/instability

Impenetrability & Instability. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impenetrability/instability>.

Instability or Impenetrability. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impenetrability/instability.

Google Ngram Viewer shows how "impenetrability" and "instability" have occurred on timeline