n 1 a  :  a psychoneurosis marked by emotional excitability and disturbances of the psychic, sensory, vasomotor, and visceral functions without an organic basis  b  :  a similar condition in domestic animals  2  :  behavior exhibiting overwhelming or unmanageable fear or emotional excess .
 
   
 
Similar sounding terms:  Se·tar·ia  stria   suture  zed·o·ary 
 
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