To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc.
To block a process or function.
To put an end to; to do away with.
to overrule a colonial legislation by the sovereign-in-privy council
To reject as invalid, untrue, or improper
To refuse to allow