She didn't back away, but the uncertainty in her eyes grew.

From that time on, his uncertainty grew.

My uncertainty was growing as I looked upon the fierce men about me, tough, experienced men who must many times have faced trouble.

Extend the question of consciousness to other creatures, and uncertainty grows.

In the end, her uncertainty grew to such a pitch that she expressed it.

"And their uncertainty and anxiety grow the farther you ask them to look into the future."

A significant investment was required to renew the system but uncertainty was growing over the future of the trams.

But as uncertainty grew about the extent of Drexel's problems, the market closed nearly 30 points lower.

He looked at the immense beast, and his uncertainty grew.

But her uncertainty grew apparent when she met Manella's eyes.