PRO DEFECTU JUSTITIAE TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.For defect or want of justice. Fleta, lib. 2, c. 62, 2. Related Posts:EX DEBITO JUSTITIAEBREVE JUDICIALE NON CADIT PRO DEFECTU FORMAEFESTINATIO JUSTITIAE EST NOVERCA INFORTUNIIOFFICINA JUSTITIAELATENT DEFECTHIDDEN DEFECT