If the government repeals a law, it officially ends it, so that it is no longer valid. The government has just repealed the law segregating public facilities. Repeal is also a noun. Next year will be the 60th anniversary of the repeal of Prohibition. if a government repeals a law, it officially ends that law (repeler, from apeler; APPEAL)
The act of making a law or regulation no longer valid and enforceable This is usually done through passing an amendment or law that repeals a current law or regulation