Here it was still daylight, and the darkness would scarcely deepen for over an hour.

He rested his eyes watching the sun going down, then went back to it as the darkness deepened.

Ahead, where the pass narrowed and twisted out of view, the darkness deepened.

The water went on talking as the darkness deepened.

They ate their meal in silence, watching the darkness deepen and the stars appear.

The darkness deepened and I turned on the lights.

They came in among the first trees, and darkness deepened.

The day was gone, and the darkness of the castle was deepening.

She called again and the darkness in the room deepened, the cold increasing.

The darkness deepened then lightened as they came to a large pool of water.