Dubious and Unsolvable

Dubious

Dubious adjective - Giving good reason for being doubted, questioned, or challenged.

Unsolvable and dubious are semantically related. In some cases you can use "Unsolvable" instead an adjective "Dubious".

Nearby Words: dubiety, dubiousness, dubiously

Unsolvable

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

Dubious and unsolvable are semantically related. Sometimes you can use "Dubious" instead an adjective "Unsolvable".
Cite this Source
Unsolvable and Dubious. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/dubious/unsolvable
Dubious & Unsolvable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/dubious/unsolvable>.
Unsolvable or Dubious. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/dubious/unsolvable.
Google Ngram Viewer shows how "dubious" and "unsolvable" have occurred on timeline