Fallacious
Fallacious adjective - Not using or following good reasoning.
Witless and fallacious are semantically related. In some cases you can use "Witless" instead an adjective "Fallacious".
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Fallacious and witless are semantically related. Sometimes you can use "Fallacious" instead an adjective "Witless".
Mutual synonyms
Cite this Source
Witless and Fallacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fallacious/witless
Fallacious & Witless. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fallacious/witless>.
Witless or Fallacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fallacious/witless.
Google Ngram Viewer shows how "fallacious" and "witless" have occurred on timeline