Insoluble
Insoluble adjective - Incapable of being solved or accomplished.
Undeterminable and insoluble are semantically related. In some cases you can replace term "Undeterminable" with "Insoluble", this adjectives are similar.
Nearby Word: insolubility
Undeterminable
Undeterminable adjective - Not capable of being definitely decided or ascertained.
Insoluble and undeterminable are semantically related. You can use "Insoluble" instead an adjective "Undeterminable".
Nearby Word: undetermined
Mutual synonyms
Cite this Source
Undeterminable and Insoluble. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/insoluble/undeterminable
Insoluble & Undeterminable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/insoluble/undeterminable>.
Undeterminable or Insoluble. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/insoluble/undeterminable.
Google Ngram Viewer shows how "insoluble" and "undeterminable" have occurred on timeline