hysteria

/hɪˈstɛriə/
noun
  1. A state of extreme excitement, fear, or panic that spreads among a group of people.
    • The news caused mass hysteria, with people rushing to buy supplies.
    • When the fire alarm went off, hysteria broke out in the crowded theater.
    • Hysteria over the exam led to students crying in the hallway.
  2. Exaggerated or uncontrollable emotion or behavior in an individual.
    • The child's hysteria over a lost toy lasted for an hour.
    • His hysteria during the argument made it impossible to have a calm conversation.
    • She laughed with hysteria after hearing the shocking news.
Antonyms
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