Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Released and impregnable are semantically related. In some cases you can use "Released" instead an adjective "Impregnable".
Released
Impregnable and released are semantically related. Sometimes you can use "Impregnable" instead an adjective "Released".
Mutual synonyms
Cite this Source
Released and Impregnable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impregnable/released
Impregnable & Released. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impregnable/released>.
Released or Impregnable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impregnable/released.
Google Ngram Viewer shows how "impregnable" and "released" have occurred on timeline