"Additional" refers to something that is added to what is already present. It signifies an increase or enhancement, often providing extra value or information. For example, when a restaurant offers additional toppings on a pizza, customers can customize their meal further, making it more enjoyable. In various contexts, "additional" can apply to resources, time, or features. For instance, a student may request additional time on an exam to complete their answers thoroughly. Similarly, a software update might include additional features that improve functionality, making the user experience better.