annul

/əˈnʌl/
verb
  1. To officially declare that something (such as a law, contract, or marriage) is no longer valid.
    • The new law annuls the previous regulation, making it void.
    • The court decided to annul the contract because it was signed under pressure.
    • They asked the church to annul their marriage after only a few months.
  2. To cancel or make something ineffective.
    • His apology annulled the bad feelings between them.
    • The team's victory was annulled because they used an ineligible player.
    • A technical error annulled the results of the election.
Antonyms
What does "annul" mean? | whatsthatwordmean | whatsthatwordmean