Implies a critical view of someone's lack of knowledge or awareness. In his speech, the leader described his opponents as benighted and out of touch.
Pro Tip 2/3
Implicit Judgment
Using 'benighted' suggests the speaker feels superior in knowledge. She referred to the villagers as benighted, ignoring their rich cultural knowledge.
Pro Tip 3/3
Historical Usage
It can imply backwardness, as if stuck in a 'dark age' of knowledge. The professor remarked on the benighted practices of medieval medicine.