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
Imbecile is a synonym for fatuous in stupid topic. In some cases you can use "Imbecile" instead an adjective "Fatuous".
Mutual synonyms
Cite this Source
Imbecile and Fatuous. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/fatuous/imbecile
Fatuous & Imbecile. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/fatuous/imbecile>.
Imbecile or Fatuous. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/fatuous/imbecile.
Google Ngram Viewer shows how "fatuous" and "imbecile" have occurred on timeline