Demented and Mentally ill

Demented

Demented adjective - Having or showing a very abnormal or sick state of mind.

Mentally ill and demented are semantically related in sane topic. In some cases you can use "Mentally ill" instead an adjective "Demented".

Nearby Word: dementing

Mentally ill

Mentally ill adjective - Suffering from severe mental illness.
Show all Definitions
Synonyms for Mentally ill

Demented and mentally ill are semantically related in sane topic. You can use "Demented" instead an adjective phrase "Mentally ill", if it concerns topics such as unwell in the mind.
Cite this Source
Mentally ill and Demented. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/demented/mentally_ill
Demented & Mentally ill. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/demented/mentally_ill>.
Mentally ill or Demented. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/demented/mentally_ill.
Google Ngram Viewer shows how "demented" and "mentally ill" have occurred on timeline