Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Stable and impregnable are semantically related. In some cases you can use "Stable" instead an adjective "Impregnable".
Stable
Stable adjective - Marked by the ability to withstand stress without structural damage or distortion.
Impregnable and stable are semantically related. Sometimes you can use "Impregnable" instead an adjective "Stable".
Mutual synonyms
Cite this Source
Stable and Impregnable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/impregnable/stable
Impregnable & Stable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/impregnable/stable>.
Stable or Impregnable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/impregnable/stable.
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