忧郁症 Traditional form: 憂鬱症 Pinyin (reading): yōuyùzhèng Definitions: (psychology) depression Characters: 忧 - sad, grieving; melancholy, grief 郁 - melancholy; dense growth 症 - ailment, disease, illness Traditional characters: 憂 - sad, grieving; melancholy, grief 鬱 - melancholy; dense growth 症 - ailment, disease, illness