Chapter Spectacular to Speed of S by Webster's Dictionary (1913 Edition)

4. To hurry to destruction; to put an end to; to ruin; to undo. "Sped with spavins." Shak.

A dire dilemma! either way I 'm sped.
If foes, they write, if friends, they read, me dead.

Pope.

5. To wish success or god fortune to, in any undertaking, especially in setting out upon a journey.

Welcome the coming, speed the parting guest.

Pope.

God speed you, them, etc., may God speed you; or, may you have good speed.

Syn. — To dispatch; hasten; expedite; accelerate; hurry.