Head case and Lunatic

Head case

Head case noun - A person judged to be legally or medically insane.
Usage example: while serving in the military hospital's psychiatric unit, he got to observe a wide variety of head cases
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Synonyms for Head case

Lunatic and head case are semantically related in madman topic. In some cases you can use "Lunatic" instead a noun phrase "Head case", when it comes to topics like mentally deranged person.

Lunatic

Lunatic noun - A person judged to be legally or medically insane.
Usage example: the lunatic was committed to an institution after running naked through the department store

Head case and lunatic are semantically related in loony topic. You can use "Head case" instead a noun "Lunatic". informal substitute

Nearby Words: lunacy, luna
Cite this Source
Lunatic and Head case. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/head_case/lunatic
Head case & Lunatic. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/head_case/lunatic>.
Lunatic or Head case. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/head_case/lunatic.
Google Ngram Viewer shows how "head case" and "lunatic" have occurred on timeline