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hysteria - definition and synonyms


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noun [uncountable] hysteria pronunciation in British English /hɪˈstɪəriə/
  1. a state of uncontrolled excitement or extreme fear

    There was a note of hysteria in her voice.

    1. a.
      a situation in which a lot of people react to something in an uncontrolled or unreasonable way

      He accused the government of whipping up public hysteria.

      mass hysteria:

      The episode was a classic case of mass hysteria.

    2. b.
      a medical condition in which someone is unable to control their emotions or behaviour

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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