(third-person singular simple present backs out, present participle backing out, simple past and past participle backed out)
- To reverse a vehicle from a confined space.
- He backed out of the garage.
- (idiomatic) To withdraw from something one has agreed to do.
- She backed out of organizing the fund-raising.
- (idiomatic) To dare someone to not withdraw from a challenge.
- (idiomatic) A betting term from French hazard
- (idiomatic, computing) To undo a change.
- I had to back out the changes made to the computer when it became apparent that they had stopped it working properly.