"Farewell" means saying goodbye to someone or something, usually with the idea that you might not see or be together with that person or thing again. Full definition
In the evening, we will host farewell dinner in traditional restaurant with cultural dance performances in celebration of your amazing trip. (nepalexpeditions.biz)
I had already said farewell to processed foods, gluten, refined sugars, and any ingredients made in a laboratory. (ajaialchemy.com)
I need to lose weight fast for my college farewell party. (nowloss.com)