Irrefutable
Irrefutable adjective - Not capable of being challenged or proved wrong.
Usage example: the irrefutable reply of “Because I like it!”
Sure is a synonym for irrefutable in certain topic. In some cases you can use "Sure" instead an adjective "Irrefutable", when it comes to topics like conclusive, undeniable, beyond question.
Nearby Words: irrefutably, irrefutability
Sure
Sure adjective - Not capable of being challenged or proved wrong.
Usage example: no sure evidence that life exists on other planets
Irrefutable is a synonym for sure in certain topic. You can use "Irrefutable" instead an adjective "Sure", if it concerns topics such as unquestionable.
Nearby Word: surely
Mutual synonyms
Cite this Source
Sure and Irrefutable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irrefutable/sure
Irrefutable & Sure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irrefutable/sure>.
Sure or Irrefutable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irrefutable/sure.
Google Ngram Viewer shows how "irrefutable" and "sure" have occurred on timeline