Headcase
Loony
Loony noun - A person judged to be legally or medically insane.
Headcase and loony are semantically related in mad person topic. You can use "Headcase" instead a noun "Loony".
Nearby Word: loon
Mutual synonyms
Cite this Source
Loony and Headcase. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/headcase/loony
Headcase & Loony. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/headcase/loony>.
Loony or Headcase. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/headcase/loony.
Google Ngram Viewer shows how "headcase" and "loony" have occurred on timeline