Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Intact and impregnable are semantically related. In some cases you can use "Intact" instead an adjective "Impregnable".
Intact
Intact adjective - Not lacking any part or member that properly belongs to it.
Impregnable and intact are semantically related. Sometimes you can use "Impregnable" instead an adjective "Intact".
Mutual synonyms
Cite this Source
Intact and Impregnable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impregnable/intact
Impregnable & Intact. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impregnable/intact>.
Intact or Impregnable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impregnable/intact.
Google Ngram Viewer shows how "impregnable" and "intact" have occurred on timeline