Goodbye is a term used to express PARTING or FAREWELL. It can be expressed in many different ways, such as 'PARTING' (7 letters), 'DEPARTURE' (9 letters), 'EXIT' (4 letters), 'GODSPEED' (8 letters), 'CIAO' (4 letters), 'VALE' (4 letters), 'ADIOS' (5 letters), 'CHEERIO' (7 letters), 'ADIEU' (5 letters), 'FAREWELL' (8 letters), 'Tata' (4 letters), 'Solong' (6 letters), 'Happytrails' (11 letters), 'Seeyoulater' (11 letters), 'Faretheewell' (12 letters), and 'Haveagoodone' (12 letters). All of these terms are used to express goodbye in different ways, and they all convey the same sentiment of wishing someone well as they part.