Unsolvable and Useful

Unsolvable

Unsolvable adjective - Incapable of being solved or accomplished.
Usage example: an apparently unsolvable problem

Useful is an antonym for unsolvable.

Useful

Useful adjective - Capable of being put to use or account.

Unsolvable is an antonym for useful.

Nearby Words: use, useless, used, usefulness, usefully
Cite this Source
Useful and Unsolvable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/unsolvable/useful
Unsolvable & Useful. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/unsolvable/useful>.
Useful or Unsolvable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/unsolvable/useful.
Google Ngram Viewer shows how "unsolvable" and "useful" have occurred on timeline