Dubious and Irrefutable
Opposite meaning words
Dubious
Dubious adjective - Giving good reason for being doubted, questioned, or challenged.
Irrefutable is an antonym for dubious.
Irrefutable
Irrefutable adjective - Not capable of being challenged or proved wrong.
Usage example: the irrefutable reply of “Because I like it!”
Nearby Words: irrefutably, irrefutability
Cite this Source
Irrefutable and Dubious. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/dubious/irrefutable
Dubious & Irrefutable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/dubious/irrefutable>.
Irrefutable or Dubious. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/dubious/irrefutable.
Google Ngram Viewer shows how "dubious" and "irrefutable" have occurred on timeline