Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Permanent and impregnable are semantically related. In some cases you can use "Permanent" instead an adjective "Impregnable".
Permanent
Permanent adjective - Lasting forever.
Impregnable and permanent are semantically related. Sometimes you can use "Impregnable" instead an adjective "Permanent".
Mutual synonyms
Related pairs
- sound and impregnable
- sound and permanent
- secure and impregnable
- secure and permanent
- firm and impregnable
- firm and permanent
- fixed and impregnable
- fixed and permanent
- fast and impregnable
- fast and permanent
- steadfast and impregnable
- steadfast and permanent
- inflexible and impregnable
- inflexible and permanent
Cite this Source
Permanent and Impregnable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impregnable/permanent
Impregnable & Permanent. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impregnable/permanent>.
Permanent or Impregnable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impregnable/permanent.
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