Cruise missiles move erratically and must be guided to the target.

The Bradley was out to the left, moving erratically while searching for targets of opportunity.

Trade figures not only move erratically but are also reported with a greater lag than most indicators.

A nearby low pressure area caused Henri to move erratically.

None of them saw the bus, which was made in 1992, moving erratically, he said.

We had been moving erratically north for two days.

Short-term interest rates are likely to move erratically higher this week as credit market participants close their books on 1988.

The low moved erratically at first, and then towards southwest.

It moved erratically in his hands, pointing first this way and then that.

It was moving erratically, left and right, then its nose would go high and low.