Benight

[bi'nait]

(verb.) make darker and difficult to perceive by sight.

(verb.) envelop with social, intellectual, or moral darkness; 'The benighted peoples of this area'.

(verb.) overtake with darkness or night.

Checker: Williams--From WordNet

(v. t.) To involve in darkness; to shroud with the shades of night; to obscure.

(v. t.) To overtake with night or darkness, especially before the end of a day's journey or task.

(v. t.) To involve in moral darkness, or ignorance; to debar from intellectual light.

Checked by Eugene