Now they could get their power from the air that each instant grew more dense about them.

As they did so, the air just above their tips shimmered, grew dense and dark.

The feeling stopped as quickly as it had begun, and the water around her seemed to grow strangely dense.

The soundtrack, too, has grown more dense, swirling and flowing with a life of its own.

Meanwhile a mist was growing dense and soft upon the quiet waters.

At the center a black spot grew dense and large.

The countryside changed its look as the trees thickened and the forests grew more dense.

Also, the fog had grown so dense that it was impossible to see very far ahead.

The ivy I planted around them has grown too dense.

The mix has grown too dense, the changes too rapid.