Head case
Head case noun - A person judged to be legally or medically insane.
Show all Definitions
Synonyms for Head case
Odd duck
Mutual synonyms
Cite this Source
Odd duck and Head case. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/head_case/odd_duck
Head case & Odd duck. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/head_case/odd_duck>.
Odd duck or Head case. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/head_case/odd_duck.
Google Ngram Viewer shows how "head case" and "odd duck" have occurred on timeline