Arguable and Unquestionable
Opposite meaning words
Arguable
Arguable adjective - Open to question or dispute.
Usage example: frankly, it's arguable whether you deserve the promotion
Unquestionable is an antonym for arguable.
Unquestionable
Unquestionable adjective - Not capable of being challenged or proved wrong.
Usage example: a person of unquestionable integrity
Arguable is an antonym for unquestionable.
Cite this Source
Unquestionable and Arguable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/arguable/unquestionable
Arguable & Unquestionable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/arguable/unquestionable>.
Unquestionable or Arguable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/arguable/unquestionable.
Google Ngram Viewer shows how "arguable" and "unquestionable" have occurred on timeline