Dubious and Unanswerable

Dubious

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

Unanswerable is an antonym for dubious.

Nearby Words: dubiety, dubiousness, dubiously

Unanswerable

Unanswerable adjective - Not capable of being challenged or proved wrong.
Usage example: the unanswerable assertion that she didn't know much about art but she knew what she liked

Dubious is an antonym for unanswerable in topics: definite, beyond question.

Nearby Word: unanswered
Cite this Source
Unanswerable and Dubious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/dubious/unanswerable
Dubious & Unanswerable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/dubious/unanswerable>.
Unanswerable or Dubious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/dubious/unanswerable.
Google Ngram Viewer shows how "dubious" and "unanswerable" have occurred on timeline