He backed out of the garage.
She backed out of organizing the fund-raising.
I had to back out the changes made to the computer when it became apparent that they had stopped it working properly.
She turned and looked back out the door.
The intruder fell back out the window.
Don't you think it's a little late to back out now?
It's not too late to back out.
Was he giving her a way to back out gracefully?