hysterian.[NL.: cf. F. hystrie. See Hysteric.] (Med.) A nervous affection, occurring almost exclusively in women, in which the emotional and reflex excitability is exaggerated, and the will power correspondingly diminished, so that the patient loses control over the emotions, becomes the victim of imaginary sensations, and often falls into paroxism or fits.()()a.[L. hystericus, Gr. , fr. "yste`ra the womb; perh. akin to latter, later, and E. utter, out.]1. Of or pertaining to hysteria.()With no hysteric weakness or feverish excitement, they preserved their peace and patience. (Bancroft.)2. In a state of hysteria; affected, or troubled, with hysterics; uncontrollably emotional; convulsive, fitful.()3. In a state of panic or behaving in a wild irrational manner, due to fear or emotional trauma.()4. Resembling hysteria; as, hysterical laughter.()