Fatuous
Fatuous adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the fatuous questions that the audience members asked after the lecture suggested to the oceanographer that they had understood little
Witless is a synonym for fatuous in foolish topic. In some cases you can use "Witless" instead an adjective "Fatuous", when it comes to topics like behaviour, ability, stupid, silly. popular alternative
Witless
Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable
Mutual synonyms
Cite this Source
Witless and Fatuous. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/fatuous/witless
Fatuous & Witless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/fatuous/witless>.
Witless or Fatuous. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/fatuous/witless.
Google Ngram Viewer shows how "fatuous" and "witless" have occurred on timeline