abrogation
n.n. the official act of ending a law, a treaty, or a contract. It is a formal way to say that something is no longer valid.
n. the formal repeal or cancellation of a law, treaty, or contract. Often implies a deliberate and official termination by a competent authority.
The abrogation of the treaty caused a lot of international tension.
The government announced the abrogation of the old tax law to simplify the financial system for small businesses.
Legal scholars debated whether the abrogation of the treaty required a two-thirds majority in the senate or if the executive branch could act alone.
First attested in 1535. From Middle French abrogation, from Latin abrogātiō (“repealed”), from abrogo, from ab (“from”) + rogo (“ask, inquire”).