Questionable and Unestablished

Questionable

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

Unestablished and questionable are semantically related. In some cases you can use "Unestablished" instead an adjective "Questionable".

Unestablished

Unestablished adjective - Not established.

Questionable and unestablished are semantically related. Sometimes you can use "Questionable" instead an adjective "Unestablished".
Cite this Source
Unestablished and Questionable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/questionable/unestablished
Questionable & Unestablished. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/questionable/unestablished>.
Unestablished or Questionable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/questionable/unestablished.
Google Ngram Viewer shows how "questionable" and "unestablished" have occurred on timeline