Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Snug and impregnable are semantically related. In some cases you can use "Snug" instead an adjective "Impregnable".
Snug
Snug adjective - Providing safety.
Usage example: yachtsmen looking for a snug harbor in which to anchor for the night
Impregnable and snug are semantically related. Sometimes you can use "Impregnable" instead an adjective "Snug".
Nearby Word: snugly
Mutual synonyms
Cite this Source
Snug and Impregnable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impregnable/snug
Impregnable & Snug. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impregnable/snug>.
Snug or Impregnable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impregnable/snug.
Google Ngram Viewer shows how "impregnable" and "snug" have occurred on timeline