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