Junior tennis can be described in many different ways. Some synonyms for junior tennis might include youth tennis, children's tennis, or underage tennis. These phrases are all used to describe the game played by young people who are learning and developing their skills. Other phrases might include beginner tennis, rookie tennis, or entry-level tennis. These descriptions are used to indicate that the players are just starting out and are still learning the basic principles of the game. Whatever term is used to describe junior tennis, it is clear that this is a fun and exciting activity that helps young people develop healthy habits while also honing their athletic abilities.