abrogative
v. C1 Advanced ab·rog·a·tive
v. to officially end or cancel a law, a contract, or a treaty. You use this when a government or a group decides a rule is no longer valid.
v. to formally repeal or annul a law, treaty, or contract. Often used in legal or political contexts to describe the termination of formal agreements.
The new government decided to abrogate the old treaty.
The legislature voted to abrogate the controversial tax law after months of public protest.
International observers noted that the abrogation of the peace treaty was a significant setback for regional stability, as it removed the only formal mechanism for resolving border disputes.
From abrogate + -ive.