Definition
"Res adjudicata" is simply an alternative, slightly less common, spelling of "res judicata". As with 'res judicata', it is a Latin term that translates to "a matter already judged". In legal contexts, it signifies that a case or issue, once decided by a court of competent jurisdiction, cannot be litigated again between the same parties. It's designed to prevent the same dispute from being endlessly retried. It ensures legal finality and efficiency, protecting the courts and parties involved. Think of it like a 'closed case' file that cannot be reopened unless under very specific and limited circumstances.