1. 蒙昧：night,夜,夜间,夜晚 | benight,蒙昧 | fortnight,两星期,十四日,十四天
2. 使陷入黑暗：benguinox || 敌菌腙 | benight || 使陷入黑暗 | benighted || 赶路到天黑的, 愚昧的
benight的反义词
verb
1. make darker and difficult to perceive by sight
Synonym: bedim
2. envelop with social, intellectual, or moral darkness
e.g. The benighted peoples of this area
3. overtake with darkness or night