Dementia and Mental deficiency

Dementia

Dementia noun - A serious mental disorder that prevents one from living a safe and normal life.

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

Mental deficiency

Mental deficiency noun - Mild mental retardation.

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