BACKOUT
back out
Verb
- To reverse a vehicle from a confined space.
- He backed out of the garage.
- To withdraw from something one has agreed to do.
- She backed out of organizing the fund-raising.
- To dare someone to not withdraw from a challenge.
- A betting term from French hazard
- 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.
The above text is a snippet from Wiktionary: back out
and as such is available under the Creative Commons Attribution/Share-Alike License.