derogation
noun [ U ] formal uk/ˌder.əˈɡeɪ.ʃən/ us/ˌder.əˈɡeɪ.ʃən/
(CRITICISM)
贬低;诽谤;损害
the act of talking about or treating someone in a way that shows you do not respect him, her, or it
(LAW)
（法律的）废除
the act of officially stating that a law or rule no longer needs to be obeyed