mental case

noun

An insane person; a nutcase.

Similar
neuroticpsychoneurotic
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Meanings

nounmental case (plural mental cases)

plural mental cases

  1. UKderogatoryslangAn insane person; a nutcase.

Synonyms & antonyms

nouna person suffering from neurosis

Similar
neuroticpsychoneurotic
Broader
sick persondiseased personsufferer
Also see
crazocrazymadmanneuroticpsychoneuroticschizo

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

mental case. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mental%20case

MLA

“mental case.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mental%20case. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mental case,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mental%20case.

Source: mental case on Wiktionary, CC BY-SA 4.0.