Undeterminable
Undeterminable adjective - Not capable of being definitely decided or ascertained.
Uncertain and undeterminable are semantically related. In some cases you can use "Uncertain" instead an adjective "Undeterminable".
Nearby Word: undetermined
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Undeterminable and uncertain are semantically related. You can use "Undeterminable" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Mutual synonyms
Cite this Source
Uncertain and Undeterminable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/undeterminable/uncertain
Undeterminable & Uncertain. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/undeterminable/uncertain>.
Uncertain or Undeterminable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/undeterminable/uncertain.
Google Ngram Viewer shows how "undeterminable" and "uncertain" have occurred on timeline