hysteria : Idioms & Phrases
anxiety hysteria
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noun a form of hysteria having features of both conversion disorder and anxiety neurosis
WordNet
conversion hysteria
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noun a mental disorder characterized by the conversion of mental conflict into somatic forms (into paralysis or anesthesia having no apparent cause)
conversion disorder; conversion reaction.
WordNet
mass hysteria
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noun a condition in which a large group of people exhibit the same state of violent mental agitation
epidemic hysertia.