Insuperable and Impossible

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. In some cases you can use "Impossible" instead an adjective "Insuperable", when it comes to topics like impassable.

Nearby Words: insuperability, insuperably

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. You can use "Insuperable" instead an adjective "Impossible".

Nearby Words: impossibility, impossibly
Cite this Source
Impossible and Insuperable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/insuperable/impossible
Insuperable & Impossible. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/insuperable/impossible>.
Impossible or Insuperable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/insuperable/impossible.
Google Ngram Viewer shows how "insuperable" and "impossible" have occurred on timeline