Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Shaky and impregnable are semantically related. In some cases you can use "Shaky" instead an adjective "Impregnable".
Shaky
Shaky adjective - Marked by or given to small uncontrollable bodily movements.
Impregnable and shaky are semantically related. Sometimes you can use "Impregnable" instead an adjective "Shaky".
Mutual synonyms
Cite this Source
Shaky and Impregnable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/impregnable/shaky
Impregnable & Shaky. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/impregnable/shaky>.
Shaky or Impregnable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/impregnable/shaky.
Google Ngram Viewer shows how "impregnable" and "shaky" have occurred on timeline