Impenetrable
Impenetrable adjective - Impossible to get through or into.
Usage example: the ancient temple was surrounded by vast stretches of impenetrable jungle
Impregnable is a synonym for impenetrable in property topic. In some cases you can use "Impregnable" instead an adjective "Impenetrable", when it comes to topics like invulnerable, impassible. popular alternative
Nearby Words: impenetrability, impenetrably
Impregnable
Impregnable adjective - Impossible to get through or into.
Usage example: the castle's supposedly impregnable walls
Impenetrable is a synonym for impregnable in invulnerable topic. You can use "Impenetrable" instead an adjective "Impregnable", if it concerns topics such as property, unyielding, impassible. popular alternative
Mutual synonyms
Related pairs
- secure and impenetrable
- secure and impregnable
- firm and impenetrable
- firm and impregnable
- unyielding and impenetrable
- unyielding and impregnable
- tight and impenetrable
- tight and impregnable
- solid and impenetrable
- solid and impregnable
- strong and impenetrable
- strong and impregnable
- hard and impenetrable
- hard and impregnable
Cite this Source
Impregnable and Impenetrable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/impenetrable/impregnable
Impenetrable & Impregnable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/impenetrable/impregnable>.
Impregnable or Impenetrable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/impenetrable/impregnable.
Google Ngram Viewer shows how "impenetrable" and "impregnable" have occurred on timeline