abolish

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

Antonyms: confirm continue enact establish institute legalize promote ratify support uphold