English

Noun

mass hysteria ‎(uncountable)

1. (psychology) The sociopsychological phenomenon in which a large group of people exhibit the same or similar hysterical symptoms simultaneously.
   • 1974 December, Lewis D. Polk, “Mass Hysteria in an Elementary School”, in Clinical Pediatrics, volume 13, number 12, DOI:10.1177/000992287401301202, pages 1013:

     However, these make no mention of mass hysteria or give any suggestion that hysteria may affect multiple individuals at one time in a special situation.

Translations