mass hysteria

noun

Meaning

A collective psychological phenomenon where a group of people experiences shared false beliefs, anxiety, or physical symptoms that spread rapidly through a population.

Examples

  • The sudden panic at the concert was triggered by mass hysteria after someone mistakenly shouted about a fire.
  • Sociologists often study historical outbreaks of mass hysteria to understand how fear can influence group behavior.

Synonyms: panic, collective delusion, mob mentality, contagion