disaffirm Synonyms

go against reject refute rebut quash overturn overrule oppose nullify negative invalidate impugn renounce repeal repudiate negate criticize withdraw undo traverse supersession sublation revoke reverse retract rescind gainsayer gainsay forswear contravene contradict contest confute challenge cancel belie annul abrogate abnegate abjure controvert counter countermand dispute disprove disown disclaim disavower disavow disallow