Errant

The investigation revealed that the root cause of the crash was an errant wire bridging electrical contacts.

Tom scolded John like an errant pupil.

Officials say errant fireworks are to blame for sparking the fire that destroyed a hotel next to the company's new headquarters.

In that there are just seven Planets or errant Stars in the lower Orbs of heaven: but it is now demonstrable unto sense, that there are many more

They were all doomed to be disappointed, however, for the errant engine decided at Stanley junction to spend the remainder of its crowded hour of freedom on the Aberdeen line, and finally came to rest, short of breath, in the dip between Ballathie and Cargill, near the bridge over the Tay.

We ran down the street in pursuit of the errant dog.

Thy company, if I slept not very well / A nights, would make me an errant fool […]