a.

1. （被雲等）遮蔽的；多雲的，陰的
   The sky became suddenly overcast with clouds.

   烏雲密布，天空突然暗下來。

2. 沮喪的；憂鬱的；情緒低落的
   His handsome countenance was overcast.

   他那英俊的面容陰沉沮喪。

3. 包邊縫紉的，縫邊的

vt.

1. （雲等）遮蔽（天空等），使陰
   The smoky haze overcast the distant mountains.

   煙霧籠罩著遠處的群山。

2. 使沮喪；使憂鬱
   The existence of evil overcasts life.

   邪惡的存在使人生變得陰暗。

3. 包縫（邊）

vi.

1. 變多雲，變陰
   It began to overcast.

   天開始變陰了。

2. 變得沮喪（或憂鬱）

n.[U]

1. 陰，陰天
   All day today there was a heavy overcast.

   今天一整天都是陰天。

2. 沮喪；憂鬱

1. overcast的動詞過去式、過去分詞

adj.

1. (of the sky or weather) cloudy; dull.
2. edged with stitching to prevent fraying.

n.

v.

1. cover with clouds or shade.
2. stitch over (a raw edge) to prevent fraying.