Solid materials moved unpredictably, with strange side effects.

Russia is a moving target, and it moves quickly and unpredictably.

So "Jerry Maguire" moves unpredictably through its tale of comeuppance and redemption, but it never loses its bearings.

The songs move far too fast and unpredictably to sound like pop.

Events moved unpredictably fast, and the unit was soon ordered to return to England along with the British Expeditionary Force.

Enemy AI varies slightly, causing them to occasionally move unpredictably, making it difficult to plan a perfect approach.

Undisciplined drivers move unpredictably through traffic.

The various factions warring in the streets were moving unpredictably.

She watched as the trees moved unpredictably.

This had the effect of suddenly and unpredictably moving the ship's centre of lift, thereby causing instability.