名詞 crimson:

1. a deep and vivid red color
   同義詞：ruby, deep red

動詞 crimson:

1. turn red, as if in embarrassment or shame
   同義詞：blush, flush, redden

形容詞 crimson:

1. of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
   同義詞：red, reddish, ruddy, blood-red, carmine, cerise, cherry, cherry-red, ruby, ruby-red, scarlet
2. characterized by violence or bloodshed- Hudson Strode
   同義詞：red, violent
3. (especially of the face) reddened or suffused with or as if with blood from emotion or exertion
   同義詞：red, reddened, red-faced, flushed

1. The evening sky was suffused with crimson.
   黃昏時分天空紅霞燦燦。
2. The river burned crimson in the setting sun.
   河流被落日映照成深紅色。
3. Mary flushed crimson with embarrassment.
   瑪麗羞得臉紅了。
4. Scarlet is much lighter than crimson.
   緋紅色比深紅色亮麗得多。

crim.son

n.（名詞）
Color A deep to vivid purplish red to vivid red.
【色彩】 深紅色：一種由深色到亮紫色然后到亮紅色的顏色
v.tr.intr.（及物動詞和不及物動詞）
crim.soned,crim.son.ing,crim.sons
To make or become deeply or vividly red.
變深紅，變緋紅：做成或成為深的或亮紅色

來源：
Middle English cremesin
中古英語 cremesin
from Old Spanish cremesín,
源自 古西班牙語 cremesín,
Old Italian cremesino
古意大利語 cremesino
or Medieval Latin cremesonus
或 中世紀(jì)拉丁語 cremesonus
all from Arabic qirmizoy
都源自 阿拉伯語 qirmizoy
from qirmiz [kermes insect] * see kermes
源自 qirmiz [胭脂蟲] *參見 kermes

【引伸】
crim.son
adj.（形容詞）