disallow Synonyms

prohibit forbid reject veto nix interdict proscribe refuse quash make illegal prevent preclude overturn overrule repeal repudiate turn down negate to disapprove withhold void restrain taboo suppress stop revoke reverse rescind override outlaw deny debar countermand censure cancel block blackball bar banning ban annul disapprove disavow nullify nullifying invalidate inhibit exclude enjoin embargo