Definition of roll something back in US English:

roll something back

phrasal verb

  • Reverse the progress or reduce the power or importance of something.

    ‘her bid to roll back state power’
    • ‘As the welfare state is rolled back, it is vital consumers can come to rely on the financial industry's ability to deliver pensions and insurances in the same way we used to rely on the state.’
    • ‘Fourteen countries report new cases of polio - stark proof that scientific advances can be rolled back, given enough bad policy.’
    • ‘And it's thoroughly foolhardy to roll the changes back, with all the attendant chaos, merely to reimplement them in another six months, even if such a thing could be accomplished.’
    • ‘Many of the gains made in the last 30 years have been rolled back.’
    • ‘The great supporters of human rights during the Cold War now quite readily either roll them back in their own countries or encourage others to do so and turn a blind eye.’
    • ‘Shouldn't we be asking what we need to do to roll it back before it crosses over to majority status?’
    • ‘The protesters said if the decision of the government was not rolled back by August 1, they would be compelled to intensify the agitation.’
    • ‘You say it shouldn't be accepted, but can we hope to roll it back?’
    • ‘‘Every victory we won can be rolled back in just a few years,’ he said.’
    • ‘Spending increases are becoming ingrained and it will be politically very difficult to roll them back.’