She reached out, as if to push him away or to take hold of him, an uncertain, unfinished gesture.

He made an uncertain gesture with one hand, then waved Sanders toward the kitchen door.

He swung a couple of hands in an uncertain gesture that gave me the heebies.

The teleporter raised his hand in an uncertain gesture.

Wee-Nii made an uncertain gesture with the spidery fingers of his hands.

He had difficulty meeting her gaze, and briefly raised his hands in an uncertain gesture.

He made an uncertain gesture toward the others, as if appealing for help.

He made another uncertain gesture with his hand.

I must have made some uncertain little gesture of panic.

He made a small uncertain gesture.