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 dare (someone) to not withdraw from a challenge.
To bet on someone losing.
Coordinate term: scare off
To take away from something else.
To burn out while accelerating and rapidly depart; to peel off, peel out.
To become separate through peeling.
To separate off from the main body; to move off to one side (as in troop movements on a parade ground or in an organized retreat, or columns in a procession).