Someone who's visiting , or who's been asked to come, is a guest. If your next door neighbor comes over for lunch, she's a guest, and every one of the two hundred people you invite to a wedding is also a guest. Learn the meaning of guest as a noun and a verb, and see how to use it in different contexts. Find out the synonyms, pronunciation, and related words of guest in British and American English. GUEST definition: 1. a person who is staying with you, or a person you have invited to a social occasion, such as a…. Learn more. Master the word " GUEST " in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.