Eccentric and Mentally ill

Related terms

Eccentric adjective - Different from the ordinary in a way that causes curiosity or suspicion.

Show all Definitions

Mentally ill and eccentric are semantically related. In some cases you can use "Mentally ill" instead an adjective "Eccentric".

Mentally ill adjective - Suffering from severe mental illness.

Show all Definitions

Eccentric and mentally ill are semantically related. Sometimes you can use "Eccentric" instead an adjective phrase "Mentally ill".

Either he was a professional fool—in which case he had been granted permission to act the way he did for comedic purposes—or he was a "natural" fool, a guy who was eccentric or mentally ill, in which case he "couldn't help" the way he acted and had to be excused.

Source: Weirdness Coupon
Chechik, in which a mentally ill young woman finds her love in an eccentric man who models himself after Buster Keaton.Joon (Mary Stuart Masterson) is smart, creative and pretty — and severely schizophrenic.

Source: Film / Benny & Joon
Brahms' only comment was "I like the paper." Eccentric Mentor: Brahms had one in the form of Robert Schumann, although Schumann wasn't so much eccentric as mentally ill, eventually committing himself to a mental hospital after a series of suicide attempts and dying there at the age of 46.

Source: Creator / Johannes Brahms

Cite this Source

Mentally ill and Eccentric. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/eccentric/mentally_ill

Eccentric & Mentally ill. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/eccentric/mentally_ill>.

Mentally ill or Eccentric. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/eccentric/mentally_ill.

Google Ngram Viewer shows how "eccentric" and "mentally ill" have occurred on timeline