名詞 gray:

1. a neutral achromatic color midway between white and black
   同義詞：grayness, grey, greyness
2. clothing that is a grey color
   同義詞：grey
3. any organization or party whose uniforms or badges are grey
   同義詞：grey
4. horse of a light gray or whitish color
   同義詞：grey
5. English poet best known for his elegy written in a country churchyard (1716-1771)
   同義詞：Thomas Gray
6. American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)
   同義詞：Robert Gray
7. United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)
   同義詞：Asa Gray

動(dòng)詞 gray:

1. make grey
   同義詞：grey
2. turn grey
   同義詞：grey

形容詞 gray:

1. of an achromatic color of any lightness intermediate between the extremes of white and black
   同義詞：grey, greyish, grayish
2. showing characteristics of age, especially having grey or white hair
   同義詞：grey, grey-haired, gray-haired, grey-headed, gray-headed, grizzly, hoar, hoary, white-haired
3. darkened with overcast
   同義詞：dull, grey, leaden
4. used to signify the Confederate forces in the American Civil War (who wore grey uniforms)
   同義詞：grey
5. intermediate in character or position
   同義詞：grey

1. His hair became gray when he was only forty.
   他剛剛四十歲時(shí)，頭發(fā)就變得灰白了。
2. These people who were young fifty years back are now gray haired.
   50年前的年輕人，現(xiàn)在已經(jīng)白發(fā)蒼蒼了。
3. A yellowish gray to pale orange yellow.
   土黃色，淺黃褐色一種黃灰色到淡桔黃色
4. This monk wears a gray frock.
   這個(gè)和尚穿著灰色的僧袍。
5. His face turned gray as he heard the bad news.
   聽到這個(gè)壞消息后，他的臉變得蒼白。
6. He dressed in gray.
   他穿灰色衣服。

gray 也作 grey

adj.（形容詞）
gray.er 也作 grey.er gray.est grey.est
Color Of or relating to an achromatic color of any lightness between the extremes of black and white.
【色彩】 灰色的：屬于或關(guān)于一種介于極度黑色和白色之間的任何亮度的無色差的顏色

Dull or dark:
昏暗的或黑暗的：
例句：
a gray, rainy afternoon.
一個(gè)昏暗、下雨的午后

Lacking in cheer; gloomy:
缺少歡快的；陰郁的：
例句：
a gray mood.
陰郁的情緒

Having gray hair; hoary.
有灰色頭發(fā)的；頭發(fā)灰白的
Old or venerable.
舊的或者古老的
Intermediate in character or position, as with regard to a subjective matter:
灰色區(qū)：在性格或地位上居于中間的，如考慮一個(gè)主觀事物時(shí)：
例句：
the gray area between their differing opinions on the film`s morality.
在他們關(guān)于電影道德的不同意見之間的灰色區(qū)

n.（名詞）
Color An achromatic color of any lightness between the extremes of black and white.
【色彩】 灰色：介于極度黑色和白色之間的任何亮度的一種無色差的顏色
An object or animal of the color gray.
灰色的物體或動(dòng)物
Often Gray
常作 Gray
A member of the Confederate Army in the Civil War.
邦聯(lián)士兵：美國內(nèi)戰(zhàn)中南方聯(lián)盟軍隊(duì)的士兵
The Confederate Army.
南方聯(lián)盟軍隊(duì)
v.tr.intr.（及物動(dòng)詞和不及物動(dòng)詞）
grayed 也作 greyed gray.ing grey.ing grays greys
To make or become gray.
使變灰色或變成灰色

來源：
Middle English grei
中古英語 grei
from Old English grôg
源自 古英語 grôg

【引伸】
gray.ly
adj.（形容詞）
gray.ness
n.（名詞）