"Major league" refers to the highest level of professional sports competition in a particular sport. In the United States, it is commonly associated with leagues like the Major League Baseball (MLB), National Basketball Association (NBA), and National Football League (NFL). These leagues feature the best athletes and teams, competing for championships and recognition. The term can also be used more broadly to describe any top-tier competition in various fields, such as business or entertainment. In this context, "major league" signifies a high standard of excellence and professionalism, often involving significant financial investment and widespread public interest.