Impossible and Unsupportable

Impossible

Impossible adjective - Incapable of being solved or accomplished.

Unsupportable is a synonym for impossible in intolerable topic. In some cases you can use "Unsupportable" instead an adjective "Impossible", when it comes to topics like pain.

Nearby Words: impossibility, impossibly

Unsupportable

Unsupportable adjective - More than can be put up with.

Impossible is a synonym for unsupportable in intolerable topic. You can use "Impossible" instead an adjective "Unsupportable", if it concerns topics such as unbearable, pain.
Cite this Source
Unsupportable and Impossible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impossible/unsupportable
Impossible & Unsupportable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impossible/unsupportable>.
Unsupportable or Impossible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impossible/unsupportable.
Google Ngram Viewer shows how "impossible" and "unsupportable" have occurred on timeline