hysterical hysterical /hɪˈstɛrɪkəl/

adjective

1. () Characterized by or arising from psychoneurotic hysteria  ( hysteric , hysterical )
   characterized by or arising from psychoneurotic hysteria
    During hysterical conditions various functions of the human body are disordered
   during hysterical conditions various functions of the human body are disordered
    Hysterical amnesia
   hysterical amnesia
   
2. () Marked by excessive or uncontrollable emotion  ( hysterical )
   marked by excessive or uncontrollable emotion
    Hysterical laughter
   hysterical laughter
    A mob of hysterical vigilantes
   a mob of hysterical vigilantes