go out of control

1. To move around erratically, without or as if without the capacity of being controlled. After the second engine failed, the plane went out of control and began plummeting to the ground. She cranked the mechanical bull up to its maximum speed, and it started going out of control. A: "What did you do to make the machine go out of control?" B: "Nothing! Just make it stop!"

2. To continue to become worse, more erratic, or more unmanageable. With no job and a pile of debt, it just feels like my life is going out of control. You're the project manager—it's your job to make sure this project doesn't go out of control. It's not like I want to keep renting, but the real estate market in this city went out of control years ago.