The Simple English Wikipedia has an article on: Goodbye goodbye is one of the 1000 most common headwords. good - goodbye - govern Other spellings good-bye Pronunciation enPR: go͝odbīʹ, IPA (key): /gʊdˈbaɪ/ SAMPA: /gUd"baI/ Audio (US)(file) Interjection Interjectiongoodbye You say goodbye when you leave/depart, as a farewell. Goodbye! See you next year. Synonyms adieu bye farewell Noun Singular goodbye Plural goodbyes The act of saying "goodbye" to someone. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads