The beams began to move back and forth in slow, erratic patterns, like searchlights.

An erratic pattern of job growth, up one month and down the next, is typical for the early stages of a recovery.

Limestone details were carefully crafted to provide contrast to the more erratic pattern of the boulders.

The top of the British document was cut off in an erratic scalloped pattern used to confirm its authenticity.

"They're moving in what would seem to be an erratic pattern until you allow for the mines."

The erratic pattern of her breathing told him without words that she struggled to bring her emotions under control.

This erratic pattern was typical of the service.

I saw your ship moving in an erratic pattern.

He knew them by their erratic pattern, that wandered aimlessly all over the place.

Riker looked at the screen before him, noting the somewhat erratic pattern being employed.