Indeterminable and Unsolvable

Indeterminable

Indeterminable adjective - Not capable of being definitely decided or ascertained.

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

Nearby Word: indeterminate

Unsolvable

Unsolvable adjective - Incapable of being solved or accomplished.

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