Impossible and Insuperable

Impossible

Impossible adjective - Incapable of being solved or accomplished.
Usage example: fitting everything in my backpack seemed an impossible task

Insuperable is a synonym for impossible. In some cases you can use "Insuperable" instead an adjective "Impossible".

Nearby Words: impossibility, impossibly

Insuperable

Insuperable adjective - Incapable of being solved or accomplished.
Usage example: insuperable problems have arisen which make it very unlikely that we will ever finish this project

Impossible is a synonym for insuperable in overwhelming topic. You can use "Impossible" instead an adjective "Insuperable", if it concerns topics such as impassable.

Nearby Words: insuperability, insuperably
Cite this Source
Insuperable and Impossible. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impossible/insuperable
Impossible & Insuperable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impossible/insuperable>.
Insuperable or Impossible. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impossible/insuperable.
Google Ngram Viewer shows how "impossible" and "insuperable" have occurred on timeline