farewell1 of 2interjection/ˌfɛrˈwɛl/1used to bid someone goodbye or to express good wishes to someone departingFarewell, my dear friend.I'll miss you.Farewell, everyone.Thank you for your kindness.Farewell, colleagues.It's been a pleasure working with you.Synonyms: so longbyesee youtake carelater onpeacelatergoodbye