abrogate
ab·ro·gate
/ˈæbrəˌgeıt/ verb , -gates, -gat·ed, -gat·ing [ + obj ]
formal
1 : to end or cancel (something) in a formal and official way
abrogate a law
abrogate a treaty
2 : to fail to do what is required by (something, such as a responsibility)
The company's directors are accused of abrogating their responsibilities.
ab·ro·ga·tion /ˌæbrəˈgeıʃən/ noun , pl -tions [ count , noncount ]
