To put an end to; to do away with.
To block a process or function.
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 be repudiated.
To reject the truth or validity of; to deny.
To refuse to have anything to do with; to disown.
To refuse to pay or honor (a debt).