Impregnable and Unalterable

Impregnable

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

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

Unalterable

Unalterable adjective - Not capable of changing or being changed.

Impregnable and unalterable are semantically related. Sometimes you can use "Impregnable" instead an adjective "Unalterable".

Nearby Words: unaltered, unalterably
Cite this Source
Unalterable and Impregnable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impregnable/unalterable
Impregnable & Unalterable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impregnable/unalterable>.
Unalterable or Impregnable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impregnable/unalterable.
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