countermand Synonyms

rescind vacate revoke overturn lift repeal reverse annul undo overturning undoing upset retract veto void voiding make void declare null and void overrides pocket veto counterorder call off negate rappeller set aside withdraw calling off rescinding overriding overridden outvote nullify neutralize disallow counteract cancel abrogate override overruled repudiate invalidate repealing recant recall quash overturned overthrow overrule abolish