Brainless
Brainless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a teacher who affirms that there are no brainless students, only lazy ones
Fatuous is a synonym for brainless in ability topic. In some cases you can use "Fatuous" instead an adjective "Brainless", when it comes to topics like foolish, mindless. popular alternative
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
Brainless is a synonym for fatuous in foolish topic. You can use "Brainless" instead an adjective "Fatuous", if it concerns topics such as ability, stupid, silly, mindless. popular alternative
Mutual synonyms
Cite this Source
Fatuous and Brainless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/brainless/fatuous
Brainless & Fatuous. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/brainless/fatuous>.
Fatuous or Brainless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/brainless/fatuous.
Google Ngram Viewer shows how "brainless" and "fatuous" have occurred on timeline