Mental deficiency and Stupidity

Mental deficiency

Mental deficiency noun - Mild mental retardation.

Stupidity and mental deficiency are semantically related. In some cases you can use "Stupidity" instead a noun phrase "Mental deficiency".

Stupidity

Stupidity noun - The quality or state of lacking intelligence or quickness of mind.
Usage example: the stupidity of the dialogue between the two romantic leads had movie audiences giggling uncontrollably

Mental deficiency and stupidity are semantically related. Sometimes you can use "Mental deficiency" instead a noun "Stupidity".

Nearby Words: stupid, stupidly
Cite this Source
Stupidity and Mental deficiency. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/mental_deficiency/stupidity
Mental deficiency & Stupidity. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/mental_deficiency/stupidity>.
Stupidity or Mental deficiency. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/mental_deficiency/stupidity.
Google Ngram Viewer shows how "mental deficiency" and "stupidity" have occurred on timeline