At different times during the 19th century, the land between those two bodies of water was gradually filled in.

Except that they had to wait an hour in a gradually filling waiting room.

When she died 10 years ago, the house became gradually filled with clutter.

She stared at him, her eyes gradually filling with tears.

The area was gradually filled in over the years.

Much of the bridge was gradually filled in to form an embankment.

This meter will gradually fill throughout the course of combat.

The digging also created a basin, which gradually filled with water and the lake appeared.

Gradually filling with water, the boat drifted under the bridge.

Over the following centuries, these were gradually filled by monuments of the wealthy.