endogenous depression: Meaning and Definition of

endog'enous depres'sion

Pronunciation: [key]
— Psychiatry. Psychiatry.
  1. a severe form of depression usually characterized by insomnia, weight loss, and inability to experience pleasure, thought to be of internal origin and not influenced by external events. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.