back out of
back out (of something)
1. To withdraw from or renege on something, such as a given commitment, promise, plan, or situation. She was considered a strong contender to win the local election, but she backed out at the last minute and continued working as CEO of her company. John was so nervous that he decided to back out of the marriage on the morning of his wedding.
2. To move backwards out of something or some place. Go slowly as you back out of the driveway. I backed out of the room when I realized Mom and Dad were in the middle of an argument.
3. To cause, guide, or direct someone or something to move backwards out of something or some place. In this usage, a noun or pronoun is used between "back" and "out." Would you mind backing the car out of this parking spot for me? The police officer backed us out of the office before we could ask the senator any questions.
back someone or something out of somethingand back someone or something out
to guide or move someone or something backwards out of something or some place. Judy backed the car out of the garage. Please back out the car. Don backed Fred out of the garage.