After each course of therapy, however, he gradually slid backward.

Just then, the fish slid quietly backward into the water.

It's still a choice between sliding backward and moving forward.

There were times of despair when she seemed to make no progress at all, or even slid backward.

If anything, the two sides have been sliding backward in the last couple of days.

Will we wake up a third time, and find ourselves sliding backward?

At work most of their waking hours, and only sliding backward a little more every day.

They slid backward, but missed the tree by three feet.

Then he began sliding backward into the river of fire.

At the same time, he felt himself being slid backward, hard and fast.