To overturn means to reverse or invalidate a previous decision or ruling. In the context of Supreme Court decisions, this typically involves declaring them unconstitutional or no longer applicable.
Related terms
Judicial Review: Judicial review is the power of courts to determine whether laws or actions taken by legislative and executive branches are constitutional.
Precedent: Precedent refers to legal cases or decisions that create standards for future cases with similar issues.
Dissenting Opinion: A dissenting opinion is an explanation written by a judge who disagrees with the majority opinion in a court case.