Elastic and Impregnable

Elastic

Elastic adjective - Able to revert to original size and shape after being stretched, squeezed, or twisted.

Impregnable is an antonym for elastic.

Nearby Words: elasticity, elasticated

Impregnable

Impregnable adjective - Impossible to get through or into.
Usage example: the castle's supposedly impregnable walls

Elastic is an antonym for impregnable.

Cite this Source
Impregnable and Elastic. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/elastic/impregnable
Elastic & Impregnable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/elastic/impregnable>.
Impregnable or Elastic. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/elastic/impregnable.
Google Ngram Viewer shows how "elastic" and "impregnable" have occurred on timeline