[mass noun]a deep, pensive, and long-lasting sadness 忧思,愁思 ■another term for melancholia (as a mental condition) 同 melancholia (指精神病) ■(historical). another term for black bile (史)。 同 black bile
adjective
sad, gloomy, or depressed 忧愁的,忧郁的;沮丧的 she felt a little melancholy. 她有一点忧愁。 the dog has a melancholy expression. 这只狗表情忧郁。 ■causing or expressing sadness; depressing 令人忧郁的;表示忧郁的;使人沮丧的 the study makes melancholy if instructive reading. 该研究报告读来让人增长知识,却也令人沮丧。
Middle 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