Short "hint"

operating in the manner of a freewheel; (of a person) moving about freely, independently, or irresponsibly; (of words, remarks, actions, etc.) unrestrained; irresponsible; device in the transmission of a motor vehicle that automatically disengages the drive shaft whenever it begins to turn more rapidly than the engine; form of rear bicycle wheel that has a device freeing it from the driving mechanism, as when the pedals are stopped in coasting; (of a vehicle or its operator) to coast with the wheels disengaged from the driving mechanism; to move or function freely, independently, unconcernedly, or the like (often fol. by <i>about, through, around,</i> etc.)