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