Insuperable and Unprotected

Insuperable

Insuperable adjective - Incapable of being defeated, overcome, or subdued.
Usage example: the building project ran into insuperable financial difficulties and had to be scrapped

Unprotected is an antonym for insuperable.

Nearby Words: insuperability, insuperably

Unprotected

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

Insuperable is an antonym for unprotected.
Cite this Source
Unprotected and Insuperable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insuperable/unprotected
Insuperable & Unprotected. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insuperable/unprotected>.
Unprotected or Insuperable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insuperable/unprotected.
Google Ngram Viewer shows how "insuperable" and "unprotected" have occurred on timeline