Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Powerful and impregnable are semantically related. In some cases you can use "Powerful" instead an adjective "Impregnable".
Powerful
Powerful adjective - Having great power or influence.
Impregnable and powerful are semantically related. Sometimes you can use "Impregnable" instead an adjective "Powerful".
Mutual synonyms
Both words in one sentence
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Kolhar, the location of the VenHold HQ, is a veritable fortress, protected by multiple planetary shields and a powerful fleet, impregnable to even the Imperial forces (that is, until the fanatical Butlerians find a cache of forbidden atomics and nuke the planet to hell and back).
Source: Mega Corp.
Cite this Source
Powerful and Impregnable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impregnable/powerful
Impregnable & Powerful. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impregnable/powerful>.
Powerful or Impregnable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impregnable/powerful.
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