Behavior exhibiting excessive or uncontrollable emotions, in a wide range from joy to panic but usually including anxiety or fear.

plural of hysteria

plural of hysteria

(psychology) The sociopsychological phenomenon in which a large group of people exhibit the same or similar hysterical symptoms simultaneously.

A now unrecognized medical diagnosis made exclusively in women with symptoms including faintness, nervousness, sexual desire, insomnia, fluid retention and heaviness in the abdomen.

piblokto

(mycology) Belonging to the Hysteriaceae.

(medicine, chiefly dated) One who suffers from hysteria.

plural of hysteriac