The air boss had noted its erratic motion in the skies and demanded an explanation.

They also generally will not reflect the erratic motion implied by connecting individual center fix positions.

According to Taylor, this erratic motion reflects life's "irregularity".

It was quite impossible to get the Germans at that distance when both he and his target were in constant and erratic motion.

Now the events around him had taken on a jerky, erratic motion.

The cyclone began a time of erratic motion, which included two loops.

The result was an increasingly erratic motion, ending in an ignominious crash.

Then what was this erratic spinning motion holding him to the deck?

Moving in an erratic motion at a very slow pace, Nate began to strengthen.

Due to its slow and erratic motion, the hurricane forced evacuations along the Mexican coastline.