Shortly is defined as briefly, curtly, abruptly or soon. (adverb)
- When you briefly summarize a book in a letter, this is an example of when you explain shortly what the book was about.
- When someone asks you a question and you snap "no," in an abrupt and curt way, this is an example of when you speak shortly.
- When you are going to be leaving in just about a minute, this is an example of when you are leaving shortly.