1. Overtake with darkness or night
   "The travellers were benighted in the forest"
    
2. Envelop with social, intellectual, or moral darkness
   "The benighted peoples of this area"
    
3. Make darker and difficult to perceive by sight
   "The fog benighted the landscape";
   - bedim [archaic]

Derived forms: benighted, benighting, benights

Type of: darken, enclose, enfold, engulf, envelop, enwrap, ingulf [archaic], overcome, overpower, overtake, overwhelm, sweep over, wrap