Fatuous and Harebrained

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

Harebrained and fatuous are semantically related. In some cases you can use "Harebrained" instead an adjective "Fatuous".

Nearby Words: fatuity, fatuousness, fatuously

Harebrained

Harebrained adjective - Lacking in seriousness or maturity.
Usage example: the movie follows the harebrained antics of a pair of stoners who seem incapable of growing up

Fatuous and harebrained are semantically related. Sometimes you can use "Fatuous" instead an adjective "Harebrained".
Cite this Source
Harebrained and Fatuous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fatuous/harebrained
Fatuous & Harebrained. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fatuous/harebrained>.
Harebrained or Fatuous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fatuous/harebrained.
Google Ngram Viewer shows how "fatuous" and "harebrained" have occurred on timeline