The case records indicate that the woman behaved erratically after the incident and was found to be not taking her medication.

After all, many parents expect teens to be moody or behave erratically sometimes.

At her hearing the next morning, she behaved erratically.

With a few, buggy drivers can cause the computer to begin behaving erratically.

His marriage was in trouble, and he had started behaving erratically.

In his experience, electronic gadgets tended to behave erratically just when you most needed them to do what they were designed for.

Some applications don't expect to be used by more than one user simultaneously, and may behave erratically.

He behaved erratically when the mother of his daughter moved away.

A few weeks after the fire, Shea's colleagues began to notice that he too was behaving erratically.

The station seems to be behaving erratically, at best.