Irrefutable
Irrefutable adjective - Not capable of being challenged or proved wrong.
Proper and irrefutable are semantically related. In some cases you can use "Proper" instead an adjective "Irrefutable".
Nearby Words: irrefutably, irrefutability
Proper
Proper adjective - Following the established traditions of refined society and good taste.
Irrefutable and proper are semantically related. Sometimes you can use "Irrefutable" instead an adjective "Proper".
Cite this Source
Proper and Irrefutable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irrefutable/proper
Irrefutable & Proper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irrefutable/proper>.
Proper or Irrefutable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irrefutable/proper.
Google Ngram Viewer shows how "irrefutable" and "proper" have occurred on timeline