Useless
Useless adjective - Not capable of being put to use or account.
Unsolvable and useless are semantically related. In some cases you can use "Unsolvable" instead an adjective "Useless".
Unsolvable
Unsolvable adjective - Incapable of being solved or accomplished.
Usage example: an apparently unsolvable problem
Useless and unsolvable are semantically related. Sometimes you can use "Useless" instead an adjective "Unsolvable".
Mutual synonyms
Cite this Source
Unsolvable and Useless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/useless/unsolvable
Useless & Unsolvable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/useless/unsolvable>.
Unsolvable or Useless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/useless/unsolvable.
Google Ngram Viewer shows how "useless" and "unsolvable" have occurred on timeline