Undetermined and Unexplained

Undetermined

Undetermined adjective - Not yet having been ascertained or determined.
Usage example: of undetermined species

Unexplained and undetermined are semantically related. In some cases you can use "Unexplained" instead an adjective "Undetermined".

Nearby Word: undeterminable

Unexplained

Unexplained adjective - Not explained.
Usage example: accomplished by some unexplained process

Undetermined and unexplained are semantically related. Sometimes you can use "Undetermined" instead an adjective "Unexplained".
Cite this Source
Unexplained and Undetermined. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/undetermined/unexplained
Undetermined & Unexplained. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/undetermined/unexplained>.
Unexplained or Undetermined. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/undetermined/unexplained.
Google Ngram Viewer shows how "undetermined" and "unexplained" have occurred on timeline