DISAPPROVE TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.To fail to approve. To fail to support. To deny. Related Posts:FAILINFICIARILEX NON DEFICERE POTEST IN JUSTITIA EXHIBENDABREVE JUDICIALE NON CADIT PRO DEFECTU FORMAEINTERPRETATIO FIENDA EST UT RES MAGIS VALEAT QUAM PEREATFATAL