Definition of abrogating:
(v) :
(transitive, law) To annul (as a law, decree, ordinance, etc.) by an authoritative act; to abolish by the authority of the maker or their successor; to repeal.
(v) :
(transitive) To put an end to; to do away with.
(v) :
(molecular biology, transitive) To block a process or function.
(adj) :
(archaic) Abrogated; abolished.