Impregnable and Immune

Impregnable

Impregnable adjective - Incapable of being defeated, overcome, or subdued.

Immune and impregnable are semantically related. In some cases you can use "Immune" instead an adjective "Impregnable".

Immune

Immune adjective - Relating to the condition of immunity.
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Synonyms for Immune

Impregnable and immune are semantically related. You can use "Impregnable" instead an adjective "Immune".

Cite this Source
Immune and Impregnable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impregnable/immune
Impregnable & Immune. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impregnable/immune>.
Immune or Impregnable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impregnable/immune.
Google Ngram Viewer shows how "impregnable" and "immune" have occurred on timeline