›WORKPLACEused to describe someone of a low rank, or of a lower rank in relation to others, in an organization: junior role/positiona junior doctor/barrister/executivejunior ministers/senatorsjunior to sbThey promoted a man who was junior to me and made him my boss. → Comparesenioradjective
›FINANCE, STOCK MARKETa junior stock market is one in which shares of smaller or less known companies are traded: The investment company is planning to raise £370 million through a flotation on AIM, London's junior exchange.