Irrelevant
Irrelevant adjective - Not having anything to do with the matter at hand.
Witless and irrelevant are semantically related. In some cases you can use "Witless" instead an adjective "Irrelevant".
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Irrelevant and witless are semantically related. Sometimes you can use "Irrelevant" instead an adjective "Witless".
Cite this Source
Witless and Irrelevant. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/irrelevant/witless
Irrelevant & Witless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/irrelevant/witless>.
Witless or Irrelevant. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/irrelevant/witless.
Google Ngram Viewer shows how "irrelevant" and "witless" have occurred on timeline