a feeling of being very sad that lasts for a long time and often cannot be explained 忧郁；伤悲 A mood of melancholy descended on us. 一种悲伤的情绪袭上我们的心头。 🔊🔊 There is a brooding melancholy in his black and white photography. 他的黑白摄影令人忧郁。
Word OriginMiddle English: from Old French melancolie, via late Latin from Greek melankholia, from melas, melan- ‘black’ + kholē ‘bile’, an excess of which was formerly believed to cause depression.