Source : Webster's Revised Unabridged Dictionary (1913)

Speed \Speed\, v. t.
   1. To cause to be successful, or to prosper; hence, to aid;
      to favor. ``Fortune speed us!'' --Shak.

            With rising gales that speed their happy flight.
                                                  --Dryden.

   2. To cause to make haste; to dispatch with celerity; to
      drive at full speed; hence, to hasten; to hurry.

            He sped him thence home to his habitation.
                                                  --Fairfax.

   3. To hasten to a conclusion; to expedite.

            Judicial acts . . . are sped in open court at the
            instance of one or both of the parties. --Ayliffe.

   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.