To dare (someone) to not withdraw from a challenge.
To withdraw from something one has agreed to do.
To exit a mode or function.
To draw from behind the back [+accusative = a knife etc.] (as also bare back).
To undo (a change).
Coordinate terms: cancel, call off, get cold feet
To reverse (a vehicle) from a confined space.
See also: sell short
To bet on someone losing.
Coordinate term: scare off
To avoid or shirk, either by failing to perform, or by performing in a grossly insufficient, negligent, or superficial manner.
To plead guilty and ask for mercy.