Answer: goodby

AnswerCrossword Clue
GOODBYTosti's well-known song.
GOODBY"God be with ye."
GOODBYParting word.
GOODBY"Toodle-oo!"
goodbytaking of leave a tearful goodûbye
goodbya remark or gesture on parting, also GOODBYE
goodbya concluding remark or gesture at parting often used interjectionally
goodbyfarewell