Debatable and Unquestionable
Opposite meaning words
Debatable
Debatable adjective - Open to question or dispute.
Usage example: it's always debatable which college football team is really number one, since there's more than one ranking system
Unquestionable
Unquestionable adjective - Not capable of being challenged or proved wrong.
Usage example: a person of unquestionable integrity
Debatable is an antonym for unquestionable.
Cite this Source
Unquestionable and Debatable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/debatable/unquestionable
Debatable & Unquestionable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/debatable/unquestionable>.
Unquestionable or Debatable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/debatable/unquestionable.
Google Ngram Viewer shows how "debatable" and "unquestionable" have occurred on timeline