Impenetrable and Open

Opposite meaning words

Impenetrable adjective - Impossible to get through or into.

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Open is an antonym for impenetrable in dense topic.

Open adjective - Allowing passage without obstruction.

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Impenetrable is an antonym for open.

Nearby Words: opening, openness, opened, opener

Cite this Source

Open and Impenetrable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impenetrable/open

Impenetrable & Open. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impenetrable/open>.

Open or Impenetrable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impenetrable/open.

Google Ngram Viewer shows how "impenetrable" and "open" have occurred on timeline