rollback

A return to a prior state by undoing some operation, especially of policy or price changes.

Noun

  1. A return to a prior state by undoing some operation, especially of policy or price changes.
    • The mining industry also had a hand in two other rollbacks. One was a decision to withdraw a Clinton rule that reduced by 80 percent the permissible standard for arsenic in drinking water. - 2001 April 8, “Environmental...
    • A bidder that knows it may acquire power at a lower price if it withdraws demand early will be more inclined to do so than a bidder that knows it cannot cause a price rollback. - 2004, Paul Robert Milgrom, Putting...
    • Although Mr. Trump has billed his rollback as a boon to the auto industry, automakers say the split-market outcome would be a logistical and financial nightmare for them. - 2019 April 10, Coral Davenport, “Automakers...
    1. A withdrawal of military forces.

      Coordinate Terms: retreat rout

    2. (databases) An operation which returns a database, or group of records in a database, to a previous state (normally to the previous commit point).

      • Near-synonyms: reversion, revert (sometimes synonymous)

      Synonyms: reversion revert

  2. The situation where a rollercoaster fails to reach the top of a hill and instead rolls backward.
  3. A form of flatbed truck adapted or designed specifically to carry other vehicles, for use in recovery (wrecking, salvage) or for transporting.
    • Near-synonym: tow truck (loosely often synonymous)

    Synonyms: slide truck tow truck[Appendix:Glossary

    Hypernyms: truck lorry motor vehicle vehicle

  4. The strategy of forcing a change in the major policies of a state, usually by replacing its ruling regime, or by totally annihilating an enemy's armed forces and occupying the country, as was done in World War II to Italy, Germany, and Japan.
    • During the 1990s the Pope, who played such a central role in the rollback of communism, was one of the few international figures who could be heard speaking out against the new capitalist order. - 2004 December 16,...
    • Politically, Brzezinski was a centrist, or conservative, Democrat. He criticised both the Eisenhower administration’s “rollback” policy towards communism in Europe, and the Nixon-Kissinger detente. - 2017 May 28,...

    Synonyms: regime change

    Coordinate Terms: containment détente

  5. An uncommanded reduction in the thrust of a jet engine.
    • The data was examined with respect to oil pressure. This showed that both the left and right engines' oil pressure generally follow each other until the start of the final acceleration, which resulted in first the right...

Origin

The noun is a deverbal from roll back. The verb is a back-formation from the noun despite being redundant to roll back.

Forms

rollbacks

Derived

rollback netcode

Verb

  1. To return to the previous state.
    • The server is unstable, we need to rollback the changes.
  2. To reduce thrust without having been commanded to do so.
    • The first test involved placing the restriction immediately upstream of the FOHE. As it was known that the engine would almost certainly rollback during the first acceleration attempt, only the fourth accident...

Forms

rollbacks rollbacking rollbacked

Synonyms

roll back