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a chronic mood disorder characterized by depressed feeling (sad, blue, low), loss of interest or pleasure in one's usual activities, and other symptoms typical of depression but tending to be longer in duration and less severe than in major depressive disorder.
1. a chronic disturbance of mood characterized by mild depression or loss of interest in usual activities.
2. a DSM diagnosis is established when the specified criteria are met.
Etymology: Gk, dys + thymos, mind
a disorder of mood in which the essential feature is a chronic disturbance of mood of at least 2 years' duration. It involves either depressed mood or loss of interest or pleasure in all or almost all usual activities and pastimes, and associated symptoms, but not of sufficient severity and duration to meet the criteria for a major depressive episode.
dysthymic disorderMinor depression psychiatry A condition characterized by '…a chronically depressed mood that occurs for most of the day, for more days than not, for at least 2 yrs…(persons so afflicted) describe their mood as sad or 'down in the dumps'. Cf Major depressive episode.
dys·thy·mic dis·or·der(dis-thī'mik dis-ōr'dĕr)
A chronic disturbance of mood characterized by mild depression or loss of interest in usual activities.