Birdbrained
Birdbrained adjective - Lacking in seriousness or maturity.
Usage example: a birdbrained neighbor who is forever giving me tacky tchotchkes
Fatuous and birdbrained are semantically related in very stupid topic. In some cases you can use "Fatuous" instead an adjective "Birdbrained".
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
Birdbrained and fatuous are semantically related in stupid topic. You can use "Birdbrained" instead an adjective "Fatuous".
Mutual synonyms
Related pairs
Cite this Source
Fatuous and Birdbrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/birdbrained/fatuous
Birdbrained & Fatuous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/birdbrained/fatuous>.
Fatuous or Birdbrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/birdbrained/fatuous.
Google Ngram Viewer shows how "birdbrained" and "fatuous" have occurred on timeline