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1. Reduction of the level of functioning.
2. Synonym(s): excavation (1)
3. Displacement of a part downward or inward.
4. A mental state or chronic mental disorder characterized by feelings of sadness, loneliness, despair, low self-esteem, and self-reproach; accompanying signs include psychomotor retardation (or less frequently agitation), withdrawal from social contact, and vegetative states such as loss of appetite and insomnia. Synonym(s): dejection (1) , depressive reaction, depressive syndrome
[L. depressio, fr. deprimo, to press down]
a condition of depressive emotional response to an external situation. The depressive state usually ends when the external situation is resolved.