sombre
/ˈsɒmbə(r)/( <美> 亦作somber)
adjective
1- dark or dull in colour or tone; gloomy（颜色）暗淡的; （语气）低沉的; 阴沉的：
the night skies were sombre and starless.
夜空阴沉, 没有星星。
1.1
- oppressively solemn or sober in mood; grave（情绪）忧郁的; 严肃的：
he looked at her with a sombre expression.
他一脸阴沉地看着她。
派生词
sombrely
adverbsombreness
noun词源
mid 18th cent.: from French， based on Latin sub 'under'+umbra 'shade'.