n.[U]

1. 黑；黑色；黑暗
   the blackness of night

   漆黑的夜色

2. 邪恶；阴险
   the blackness of men's heart

   人心的险恶

3. 阴郁；生气
4. 黑人民族性；黑人的民族自豪感
   He is seen by the black nations at the U.N. as an ambassador for blackness.

   他被参加联合国的黑人国家看作黑人民族自豪感的代表。