After/before dark Definition 1 of 2Pro Tip 1/3Safety Concerns Often implies potential danger or the need for caution during nighttime. Children shouldn't play outside after dark. Pro Tip 2/3Cultural Events Used when discussing plans that change after the sun sets, like festivals or gatherings. The lanterns look beautiful after dark. Pro Tip 3/3Cinematic Suspense In movies or books, sets a mood of mystery or suspense happening at night. The thief is planning to strike after dark.