Impenetrable and Unprotected
Opposite meaning words
Impenetrable
Impenetrable adjective - Impossible to get through or into.
Unprotected is an antonym for impenetrable.
Nearby Words: impenetrability, impenetrably
Unprotected
Unprotected adjective - Lacking protection from danger or resistance against attack.
Usage example: I was uncomfortable about leaving my house unprotected, so I bought a dog
Impenetrable is an antonym for unprotected.
Cite this Source
Unprotected and Impenetrable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impenetrable/unprotected
Impenetrable & Unprotected. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impenetrable/unprotected>.
Unprotected or Impenetrable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impenetrable/unprotected.
Google Ngram Viewer shows how "impenetrable" and "unprotected" have occurred on timeline