Synonyms of goodbye

1 Syllable
congé, ciao
2 Syllables
adieu, envoi, cheerio, conge, sendoff, adieux, adios, bye-bye, send-off, windup, offgoing, parting, godspeed
3 Syllables
toodle-oo, departing, farewell
4 Syllables
peroration, departure, leave-taking
5 Syllables
valedictory