BrE informal
The longer Bolan runs loose in this town, the worse it is for all of us.
Other authors I just let run loose and tell whatever story they wanted.
But you certainly can't let him run loose and give him any more advantage than he already has.
Outside, which is to say off stage, trucks are on fire, horses are running loose and who knows what all else.
The other two Police are running loose and shooting on sight.
Did you think we could just let him run about loose?
So we need your help, telling us who's safe to run loose and who needs locking up.
A dog was permitted to run loose and had bitten someone.
You're going to let your mind run totally loose.
A rookie running loose and living to tell about it.
Idiome