abrogate annul cancel dissolve eradicate nullify overthrow overturn prohibit put an end to repeal rescind revoke set aside stamp out suppress terminate wipe out abate annihilate destroy disestablish end erase expunge extinguish extirpate finish inhibit invalidate kill negate nix obliterate quash repudiate scrub squelch subvert supersede undo vacate vitiate void zap call off put kibosh on put the kibosh on