Definition: Prefixedly, also known as a prefix, is an adjective that begins with a capital letter and modifies or prefixes another word or phrase. For example: 1. Prefixedly, the weather was cold. 2. Prefixedly, the car was old. In this context, "prefixedly" refers to something that starts with a capital letter in a sentence or phrase, indicating that it is an important or significant part of the meaning.