Answer: freewheel

AnswerCrossword Clue
FREEWHEELCoast
FREEWHEELCoast, as a vehicle
FREEWHEELAct the gadabout
freewheelA device that allows a bicycle wheel to revolve forward while the crank is stationary
freewheelA device in a motor vehicle transmission allowing the drive shaft to spin faster than the engine
freewheelto coast without the use of gears