Questionable and Unmistaken
Opposite meaning words
Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Unmistaken is an antonym for questionable.
Unmistaken
Cite this Source
Unmistaken and Questionable. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/questionable/unmistaken
Questionable & Unmistaken. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/questionable/unmistaken>.
Unmistaken or Questionable. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/questionable/unmistaken.
Google Ngram Viewer shows how "questionable" and "unmistaken" have occurred on timeline