Durable
Durable adjective - Existing for a long time.
Impregnable and durable are semantically related. In some cases you can use "Impregnable" instead an adjective "Durable".
Nearby Words: durability, durably
Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Durable and impregnable are semantically related. Sometimes you can use "Durable" instead an adjective "Impregnable".
Mutual synonyms
Cite this Source
Impregnable and Durable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/durable/impregnable
Durable & Impregnable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/durable/impregnable>.
Impregnable or Durable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/durable/impregnable.
Google Ngram Viewer shows how "durable" and "impregnable" have occurred on timeline