abrogate
v.v. to end a law, agreement, or formal right so it is no longer valid. This is a very formal way to say something is officially cancelled or repealed.
v. to repeal or formally abolish a law, right, or agreement. A transitive verb used in formal legal or political discourse.
The government can abrogate old treaties.
Parliament must vote to abrogate any law that is found to be unconstitutional.
The court's controversial ruling effectively abrogated the community's long-held customary rights, which had existed for centuries but were never formally codified.
First attested in 1526, from Middle English abrogat (“abolished”), from Latin abrogātus, perfect passive participle of abrogō (“repeal”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ab (“away”) + rogō (“ask, inquire, propose”). See rogation.