Known and Undetermined

Opposite meaning words

Known adjective - Apprehended with certainty.

Show all Definitions

Undetermined is an antonym for known.

Nearby Words: know, knowing

Undetermined adjective - Not seen or understood clearly.

Show all Definitions

Known is an antonym for undetermined.

Nearby Word: undeterminable

Cite this Source

Undetermined and Known. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/known/undetermined

Known & Undetermined. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/known/undetermined>.

Undetermined or Known. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/known/undetermined.

Google Ngram Viewer shows how "known" and "undetermined" have occurred on timeline