Source : Webster's Revised Unabridged Dictionary (1913)

Hysteric \Hys*ter"ic\, Hysterical \Hys*ter"ic*al\, a. [L.
   hystericus, Gr. ?, fr. "yste`ra the womb; perh. akin to ?
   latter, later, and E. utter, out.]
   Of or pertaining to hysteria; affected, or troubled, with
   hysterics; convulsive, fitful.

         With no hysteric weakness or feverish excitement, they
         preserved their peace and patience.      --Bancroft.

Source : WordNet®

hysteric
     adj : characterized by or arising from psychoneurotic hysteria;
           "during hysterical conditions various functions of the
           human body are disordered"- Morris Fishbein;
           "hysterical amnesia" [syn: {hysterical}]

hysteric
     n : a person suffering from hysteria