[noun] a relation of direct opposition; "we thought Sue was older than Bill but just the reverse was true"
Synonyms: contrary, opposite
[noun] the gears by which the motion of a machine can be reversed
[noun] an unfortunate happening that hinders of impedes; something that is thwarting or frustrating
Synonyms: reversal, setback, blow, black eye
[noun] the side of a coin or medal that does not bear the principal design
[noun] (American football) a running play in which a back running in one direction hands the ball to a back running in the opposite direction
[noun] turning in the opposite direction
Synonyms: reversion, reversal, turnabout, turnaround
[verb] 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"
Synonyms: change by reversal, turn
[verb] turn inside out or upside down
[verb] rule against; "The Republicans were overruled when the House voted on the bill"
Synonyms: overrule, overturn, override, overthrow
[verb] annul by recalling or rescinding; "He revoked the ban on smoking"; "lift an embargo"; "vacate a death sentence"
Synonyms: revoke, annul, lift, countermand, repeal, overturn, rescind, vacate
[adjective] directed or moving toward the rear; "a rearward glance"; "a rearward movement"
[adjective] reversed (turned backward) in order or nature or effect
[adjective] of the transmission gear causing backward movement in a motor vehicle; "in reverse gear"
interchange, tack, switch, alternate, flip, flip-flop
turn the tables, turn the tide
switch over, switch, exchange
correct, rectify, right
permute, commute, transpose
metamorphose, transfigure, transmogrify
revert, return, retrovert, regress, turn back
renege, renege on, renegue on, go back on
about-face, about turn