Dubious and Undefined

Dubious

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

Undefined and dubious are semantically related. In some cases you can use "Undefined" instead an adjective "Dubious".

Nearby Words: dubiety, dubiousness, dubiously

Undefined

Undefined adjective - Not seen or understood clearly.

Dubious and undefined are semantically related. Sometimes you can use "Dubious" instead an adjective "Undefined".
Cite this Source
Undefined and Dubious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/dubious/undefined
Dubious & Undefined. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/dubious/undefined>.
Undefined or Dubious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/dubious/undefined.
Google Ngram Viewer shows how "dubious" and "undefined" have occurred on timeline