Hysteria (Def Leppard song) definition

Hysteria (Def Leppard song)

WordNet

(1) Excessive or uncontrollable fear

(2) State of violent mental agitation

(3) Neurotic disorder characterized by violent emotional outbreaks and disturbances of sensory and motor functions

WiktionaryText

Behavior exhibiting excessive or uncontrollable emotion, such as fear or panic.
A mental disorder characterized by emotional excitability etc. without an organic cause.