The phrase "in excellent condition" means that something is in a very good state, with no signs of wear or damage. It suggests that the object or person being described is in top form and functioning properly. This term can be used to describe various things such as physical health, mental well-being, or material possessions. For example, if someone says they are in excellent condition, it means they feel good physically and mentally, while if an item is said to be in excellent condition, it implies that it looks new and functions properly with no defects or issues.