Defenseless and Impregnable

Opposite meaning words

Defenseless adjective - Lacking protection from danger or resistance against attack.

Usage example: the lack of warm clothing left the hikers defenseless against the unexpected cold snap

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Impregnable is an antonym for defenseless.

Nearby Word: defense

Impregnable adjective - Incapable of being defeated, overcome, or subdued.

Usage example: an impregnable fortress that had foiled one invader after another over the centuries

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Defenseless is an antonym for impregnable.

The trope is best expressed by Harrenhal, a massive and impregnable castle that was nonetheless defenseless against dragonfire.

Source: Outside-Context Problem

Cite this Source

Impregnable and Defenseless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/defenseless/impregnable

Defenseless & Impregnable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/defenseless/impregnable>.

Impregnable or Defenseless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/defenseless/impregnable.

Google Ngram Viewer shows how "defenseless" and "impregnable" have occurred on timeline