They were plunging downward at more than two hundred feet a minute.

The Enterprise plunged downward into the shadows of the nebula.

We plunged downward, racing to get under cover of the larger trees once again.

Suddenly the straight end of the stick plunged downward.

On the far side, the ledge disappeared, probably plunging downward again.

He turned and plunged downward through the woods direct for Haripol.

The wind tore at his clothes as she plunged downward.

For a while we plunged downward, then turned onto a brand new stretch of road along the shoreline.

He let go a second later, and plunged downward, onto Lucien's broad back.

They plunged downward at an alarming speed, then slowed to a stop.