1. A farewell or goodbye that is casual, informal, or leaves the possibility of future contact or reunion without strict closure
They shared an open farewell, knowing they might meet again someday.
Eles compartilharam uma despedida aberta, sabendo que poderiam se encontrar novamente algum dia.
2. A departure that is not final or definitive; a goodbye without permanence
After the conference, many colleagues exchanged open farewells rather than permanent goodbyes.
Após a conferência, muitos colegas trocaram despedidas abertas em vez de adeus permanentes.