Impenetrable and Unresistant
Opposite meaning words
Impenetrable
Impenetrable adjective - Impossible to get through or into.
Unresistant is an antonym for impenetrable.
Nearby Words: impenetrability, impenetrably
Unresistant
Unresistant adjective - Lacking protection from danger or resistance against attack.
Usage example: a weakened immune system that rendered him unresistant to pneumonia
Impenetrable is an antonym for unresistant.
Cite this Source
Unresistant and Impenetrable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impenetrable/unresistant
Impenetrable & Unresistant. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impenetrable/unresistant>.
Unresistant or Impenetrable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impenetrable/unresistant.
Google Ngram Viewer shows how "impenetrable" and "unresistant" have occurred on timeline