The approach of darkness; dusk.
- At nightfall the very few guns still to go were hurried off to the jetties.
- Wellington's position at nightfall was very different, and can hardly be termed safe or even satisfactory.
- It was past nightfall, and shadows and light from the hearth danced around him.
- Before nightfall on the 20th of August the canal was wholly in British hands.
- Be out of here by nightfall, Kris said at last, his voice quiet and hard.