Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Unknowable and uncertain are semantically related In some cases you can use "Unknowable" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Unknowable
Unknowable adjective - Not knowable.
Uncertain and unknowable are semantically related in unpredictable topic. Sometimes you can use "Uncertain" instead an adjective "Unknowable", if it concerns topics such as not understandable.
Mutual synonyms
Cite this Source
Unknowable and Uncertain. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/uncertain/unknowable
Uncertain & Unknowable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/uncertain/unknowable>.
Unknowable or Uncertain. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/uncertain/unknowable.
Google Ngram Viewer shows how "uncertain" and "unknowable" have occurred on timeline