Wiktionary
benightedly
adv. In a benighted manner
Usage examples of "benightedly".
That young girl," he added unexpectedly, "is one of the least benightedly unintelligent life forms it has been my profound lack of pleasure not to be able to avoid meeting.
That young girl,” he added unexpectedly, “is one of the least benightedly unintelligent life forms it has been my profound lack of pleasure not to be able to avoid meeting.