sad, unhappy, gloomy, blue, sorrowful, melancholy

名詞 melancholy:

1. a feeling of thoughtful sadness
2. a constitutional tendency to be gloomy and depressed
3. a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy
   同義詞：black bile

形容詞 melancholy:

1. characterized by or causing or expressing sadness
   同義詞：melancholic
2. grave or even gloomy in character
   同義詞：somber, sombre

1. A deep melancholy runs through her poetry.
   她的詩中貫穿著悲傷的情調(diào)。
2. Melancholy is the preponderant mood of the poem.
   憂郁的感情是該詩的基調(diào)。
3. There is a vein of melancholy in his character.
   他的性格中有少許憂郁的氣質(zhì)。
4. A funeral is a melancholy occasion.
   葬禮是一個(gè)令人憂傷的場合。
5. When he left, she sank into melancholy.
   當(dāng)他走后，她陷入沉思。

mel.an.chol.y

n.（名詞）
Sadness or depression of the spirits; gloom:
憂郁：悲哀或情緒低落；郁悶：
例句：
.There is melancholy in the wind and sorrow in the grass.(Charles Kuralt)
.風(fēng)兒憂郁，草兒悲哀.(查爾斯·庫拉爾特)

Pensive reflection or contemplation.
沉思，深思
Archaic
【古語】
Black bile.
黑膽汁
An emotional state characterized by sullenness and outbreaks of violent anger, believed to arise from black bile.
憂郁：據(jù)信是因黑膽汁過多而引起的，以精神郁悶、低沉及怒氣猛烈爆發(fā)為特征的一種精神狀態(tài)
adj.（形容詞）
Affected with or marked by depression of the spirits; sad.See Synonyms at sad
憂郁的，悲哀的：受情緒低落影響的，以其為特征的；悲哀的參見 sad
Tending to promote sadness or gloom:
引起悲哀或郁悶的：
例句：
a letter with some melancholy news.
帶來令人悲傷的消息的信

Pensive; thoughtful.
深思的；認(rèn)真思考的

來源：
Middle English melancolie
中古英語 melancolie
from Old French
源自 古法語
from Late Latin melancholia
源自 后期拉丁語 melancholia
from Greek melankholia
源自 希臘語 melankholia
melas melan- [black]
melas melan- [黑色的]
kholô [bile] * see ghel- 2
kholô [膽汁] *參見 ghel- 2

【引伸】
mel.anchol.ily
adv.（副詞）
mel.anchol.iness
n.（名詞）