reverse

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”

annul by recalling or rescinding

• “He revoked the ban on smoking”
• “lift an embargo”
• “vacate a death sentence”

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 of 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

directed or moving toward the rear

• “a rearward glance”
• “a rearward movement”

reversed (turned backward) in order or nature or effect

of the transmission gear causing backward movement in a motor vehicle

• “in reverse gear”