Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Jeopardous and impregnable are semantically related In some cases you can use "Jeopardous" instead an adjective "Impregnable".
Jeopardous
Impregnable and jeopardous are semantically related in dangerous topic. Sometimes you can use "Impregnable" instead an adjective "Jeopardous".
Mutual synonyms
Cite this Source
Jeopardous and Impregnable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impregnable/jeopardous
Impregnable & Jeopardous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impregnable/jeopardous>.
Jeopardous or Impregnable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impregnable/jeopardous.
Google Ngram Viewer shows how "impregnable" and "jeopardous" have occurred on timeline