躁郁症 Traditional form: 躁鬱症 Pinyin (reading): zàoyùzhèng Definitions: bipolar disorder Characters: 躁 - tense, irritable; rash, hot-tempered 郁 - melancholy; dense growth 症 - ailment, disease, illness Traditional characters: 躁 - tense, irritable; rash, hot-tempered 鬱 - melancholy; dense growth 症 - ailment, disease, illness