Medical Definition of hysteria
1a: a psychoneurosis marked by emotional excitability and disturbances of the psychic, sensory, vasomotor, and visceral functions without an organic basisb: a similar condition in domestic animals
2: behavior exhibiting overwhelming or unmanageable fear or emotional excess
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Dictionary: Definition of "hysteria" Thesaurus: All synonyms and antonyms for "hysteria" Spanish Central: Translation of "hysteria" Nglish: Translation of "hysteria" for Spanish speakers Britannica English: Translation of "hysteria" for Arabic speakers Britannica.com: Encyclopedia article about "hysteria"
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