Reverse

a relation of direct opposition

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

an unfortunate happening that hinders or impedes

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

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

turning in the opposite direction

change to the contrary

turn inside out or upside down

rule against

cancel officially

reverse the position, order, relation, or condition of

directed or moving toward the rear

of the transmission gear causing backward movement in a motor vehicle

reversed (turned backward) in order or nature or effect