Pronunciation: (hi-ster'ē-u, -stēr'-), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/hysteria.html on line 73 [key]
1. an uncontrollable outburst of emotion or fear, often characterized by irrationality, laughter, weeping, etc.
2. Psychoanal.a psychoneurotic disorder characterized by violent emotional outbreaks, disturbances of sensory and motor functions, and various abnormal effects due to autosuggestion.
3. Psychiatry.See conversion disorder. Cf. mass hysteria.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.