; a formula used to another person or persons when the speaker, writer, or person addressed is departing.
Success; prosperous journeying; - a contraction of the phrase, "God speed you."
‘Receive him not into house, neither bid him God speed.’;
An utterance of goodbye, the wishing of farewell to someone.
‘John gave Rebecca a goodbye to wish her luck on her holiday.’;
a successful journey;
‘they wished him Godspeed’;
To say goodbye; to wish somebody farewell on parting.
a farewell remark;
‘they said their good-byes’;