Impenetrable
Impenetrable adjective - Impossible to get through or into.
Inexpugnable and impenetrable are semantically related. In some cases you can replace term "Inexpugnable" with "Impenetrable", this adjectives are similar.
Nearby Words: impenetrability, impenetrably
Inexpugnable
Inexpugnable adjective - Having been established and usually not subject to change.
Impenetrable and inexpugnable are semantically related. Sometimes you can replace term "Impenetrable" with "Inexpugnable", this adjectives are similar.
Mutual synonyms
Related pairs
- secure and impenetrable
- secure and inexpugnable
- firm and impenetrable
- firm and inexpugnable
- unyielding and impenetrable
- unyielding and inexpugnable
- solid and impenetrable
- solid and inexpugnable
- hard and impenetrable
- hard and inexpugnable
- impregnable and impenetrable
- impregnable and inexpugnable
- inviolable and impenetrable
- inviolable and inexpugnable
Cite this Source
Inexpugnable and Impenetrable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impenetrable/inexpugnable
Impenetrable & Inexpugnable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impenetrable/inexpugnable>.
Inexpugnable or Impenetrable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impenetrable/inexpugnable.
Google Ngram Viewer shows how "impenetrable" and "inexpugnable" have occurred on timeline