reverse

a relation of direct opposition; “we thought Sue was older than Bill but just the reverse was true”

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

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

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; “The trend was reversed”; “the tides turned against him”; “public opinion turned when it was revealed that the president had an affair with a White House intern”

turn inside out or upside down

rule against; “The Republicans were overruled when the House voted on the bill”

cancel officially; “He revoked the ban on smoking”; “lift an embargo”; “vacate a death sentence”

reverse the position, order, relation, or condition of; “when forming a question, invert the subject and the verb”

directed or moving toward the rear; “a rearward glance”; “a rearward movement”

of the transmission gear causing backward movement in a motor vehicle; “in reverse gear”

reversed (turned backward) in order or nature or effect