Possible and Unknowable
Opposite meaning words
Possible
Possible adjective - Capable of being done or carried out.
Unknowable is an antonym for possible.
Nearby Words: possibility, possibly
Unknowable
Unknowable adjective - Not knowable.
Cite this Source
Unknowable and Possible. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/possible/unknowable
Possible & Unknowable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/possible/unknowable>.
Unknowable or Possible. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/possible/unknowable.
Google Ngram Viewer shows how "possible" and "unknowable" have occurred on timeline