Fatuity and Mental deficiency

Fatuity

Fatuity noun - The quality or state of lacking intelligence or quickness of mind.
Usage example: the stupidity of the characters on that TV sitcom is probably nothing in comparison to the fatuity of its creators

Mental deficiency and fatuity are semantically related. In some cases you can use "Mental deficiency" instead a noun "Fatuity".

Nearby Words: fatuous, fatuousness, fatuously

Mental deficiency

Mental deficiency noun - Mild mental retardation.

Fatuity and mental deficiency are semantically related. Sometimes you can use "Fatuity" instead a noun phrase "Mental deficiency".
Cite this Source
Mental deficiency and Fatuity. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/fatuity/mental_deficiency
Fatuity & Mental deficiency. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/fatuity/mental_deficiency>.
Mental deficiency or Fatuity. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/fatuity/mental_deficiency.
Google Ngram Viewer shows how "fatuity" and "mental deficiency" have occurred on timeline