hyperexcitement

/ˌhaɪpərɪkˈsaɪtmənt/
noun
  1. An extreme or excessive state of excitement, enthusiasm, or agitation.
    • Her hyperexcitement about the trip kept her awake all night.
    • The crowd's hyperexcitement before the concert made it hard to hear anyone speak.
    • The dog's hyperexcitement at the sight of a squirrel led to a frantic chase.
Antonyms
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