Source : Webster's Revised Unabridged Dictionary (1913)

Miss \Miss\, v. t. [imp. & p. p. {Missed}; p. pr. & vb. n.
   {Missing}.] [AS. missan; akin to D. & G. missen, OHG. missan,
   Icel. missa, Sw. mista, Dan. miste. [root]100. See {Mis-},
   pref.]
   1. To fail of hitting, reaching, getting, finding, seeing,
      hearing, etc.; as, to miss the mark one shoots at; to miss
      the train by being late; to miss opportunites of getting
      knowledge; to miss the point or meaning of something said.

            When a man misses his great end, happiness, he will
            acknowledge he judged not right.      --Locke.

   2. To omit; to fail to have or to do; to get without; to
      dispense with; -- now seldom applied to persons.

            She would never miss, one day, A walk so fine, a
            sight so gay.                         --Prior.

            We cannot miss him; he does make our fire, Fetch in
            our wood.                             --Shak.

   3. To discover the absence or omission of; to feel the want
      of; to mourn the loss of; to want. --Shak.

            Neither missed we anything . . . Nothing was missed
            of all that pertained unto him.       --1 Sam. xxv.
                                                  15, 21.

            What by me thou hast lost, thou least shalt miss.
                                                  --Milton.

   {To miss stays}. (Naut.) See under {Stay}.

Missing \Miss"ing\, a. [From {Miss}, v. i.]
   Absent from the place where it was expected to be found;
   lost; wanting; not present when called or looked for.

         Neither was there aught missing unto them. --1 Sam.
                                                  xxv. 7.

         For a time caught up to God, as once Moses was in the
         mount, and missing long.                 --Milton.

Source : WordNet®

missing
     adj 1: not existing; "innovation has been sadly lacking";
            "character development is missing from the book" [syn:
             {lacking(p)}, {nonexistent}, {wanting(a)}]
     2: not able to be found; "missing in action"; "a missing
        person"