cancel (to end an agreement or arrangement): I’ll call the hotel to cancel my reservation.
annul formal (to state that something is no longer legally valid): They want to annul their marriage.
revoke formal (to officially end a law, decision, or promise): if you get another speeding ticket, your driver’s license will be revoked.
invalidate formal (to make something no longer legally or officially valid): The Constitutional Court invalidated the election.
repeal (to officially end a law): The Congress decided to repeal the law.
nullify formal (to make something have no legal force): The Supreme Court nullified the death penalty in 1976.
rescind (to officially end a law, order, or agreement): The king refused to rescind his harsh order.
