Source : Webster's Revised Unabridged Dictionary (1913)

Quick \Quick\, a. [Compar. {Quicker}; superl. {Quickest}.] [As.
   cwic, cwicu, cwucu, cucu, living; akin to OS. quik, D. kwik,
   OHG. quec, chec, G. keck bold, lively, Icel. kvikr living,
   Goth. qius, Lith. q[=y]vas, Russ. zhivoi, L. vivus living,
   vivere to live, Gr. bi`os life, Skr. j[=i]va living, j[=i]v
   to live. Cf. {Biography}, {Vivid}, {Quitch grass},
   {Whitlow}.]
   1. Alive; living; animate; -- opposed to {dead} or
      {inanimate}.

            Not fully quyke, ne fully dead they were. --Chaucer.

            The Lord Jesus Christ, who shall judge the quick and
            the dead at his appearing and his kingdom. --2 Tim.
                                                  iv. 1.

            Man is no star, but a quick coal Of mortal fire. --
                                                  Herbert.

   Note: In this sense the word is nearly obsolete, except in
         some compounds, or in particular phrases.

   2. Characterized by life or liveliness; animated; sprightly;
      agile; brisk; ready. `` A quick wit.'' --Shak.

   3. Speedy; hasty; swift; not slow; as, be quick.

            Oft he her his charge of quick return Repeated.
                                                  --Milton.

   4. Impatient; passionate; hasty; eager; eager; sharp;
      unceremonious; as, a quick temper.

            The bishop was somewhat quick with them, and
            signified that he was much offended.  -- Latimer.

   5. Fresh; bracing; sharp; keen.

            The air is quick there, And it pierces and sharpens
            the stomach.                          -- Shak.

   6. Sensitive; perceptive in a high degree; ready; as, a quick
      ear. ``To have an open ear, a quick eye.'' --Shak.

            They say that women are so quick.     --Tennyson.

   7. Pregnant; with child. --Shak.

   {Quick grass}. (Bot.) See {Quitch grass}.

   {Quick match}. See under {Match}.

   {Quick vein} (Mining), a vein of ore which is productive, not
      barren.

   {Quick vinegar}, vinegar made by allowing a weak solution of
      alcohol to trickle slowly over shavings or other porous
      material.

   {Quick water}, quicksilver water.

   {Quick with child}, pregnant with a living child.

   Syn: Speedy; expeditious; swift; rapid; hasty; prompt; ready;
        active; brisk; nimble; fleet; alert; agile; lively;
        sprightly.

Source : WordNet®

quickest
     adv : most quickly [syn: {fastest}]