Reverse

reversed (turned backward) in order or nature or effect

directed or moving toward the rear

a relation of direct opposition

the side of a coin or medal that does not bear the principal design

an unfortunate happening that hinders or impedes; something that is thwarting or frustrating

the gears by which the motion of a machine can be reversed

turning in the opposite direction

(American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction

change to the contrary

cancel officially

reverse the position, order, relation, or condition of

turn inside out or upside down

rule against

of the transmission gear causing backward movement in a motor vehicle