Impregnable
Impregnable adjective - Incapable of being defeated, overcome, or subdued.
Watertight and impregnable are semantically related in flawless topic. In some cases you can use "Watertight" instead an adjective "Impregnable", when it comes to topics like impenetrable.
Watertight
Watertight adjective - Not allowing water to pass in or out.
Impregnable and watertight are semantically related in indisputable topic. Sometimes you can use "Impregnable" instead an adjective "Watertight", if it concerns topics such as impenetrable.
Mutual synonyms
Related pairs
- sound and impregnable
- sound and watertight
- secure and impregnable
- secure and watertight
- firm and impregnable
- firm and watertight
- fast and impregnable
- fast and watertight
- tight and impregnable
- tight and watertight
- incontestable and impregnable
- incontestable and watertight
- incontrovertible and impregnable
- incontrovertible and watertight
Cite this Source
Watertight and Impregnable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/impregnable/watertight
Impregnable & Watertight. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/impregnable/watertight>.
Watertight or Impregnable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/impregnable/watertight.
Google Ngram Viewer shows how "impregnable" and "watertight" have occurred on timeline