Source : Webster's Revised Unabridged Dictionary (1913)

Apart \A*part"\, adv. [F. [`a] part; (L. ad) + part part. See
   {Part}.]
   1. Separately, in regard to space or company; in a state of
      separation as to place; aside.

            Others apart sat on a hill retired.   --Milton.

            The Lord hath set apart him that is godly for
            himself.                              --Ps. iv. 3.

   2. In a state of separation, of exclusion, or of distinction,
      as to purpose, use, or character, or as a matter of
      thought; separately; independently; as, consider the two
      propositions apart.

   3. Aside; away. ``Wherefore lay apart all filthiness and
      superfluity of naughtiness.'' --Jas. i. 21.

            Let Pleasure go, put Care apart.      --Keble.

   4. In two or more parts; asunder; to piece; as, to take a
      piece of machinery apart.

Source : WordNet®

apart
     adj 1: remote and separate physically or socially; "existed over
            the centuries as a world apart"; "preserved because
            they inhabited a place apart"- W.H.Hudson; "tiny
            isolated villages remote from centers of
            civilization"; "an obscure village" [syn: {apart(p)},
            {isolated}, {obscure}]
     2: not living together as man and wife; "decided to live
        apart"; "maintaining separate households"; "they are
        separated" [syn: {apart(p)}, {separate}, {separated}]
     3: having characteristics not shared by others; "scientists
        felt they were a group apart"- Vannever Bush [syn: {apart(p)}]

apart
     adv 1: separated or at a distance in place or position or time;
            "These towns are many miles apart"; "stood with his
            legs apart"; "born two years apart"
     2: not taken into account or excluded from consideration;
        "these problems apart, the country is doing well"; "all
        joking aside, I think you're crazy" [syn: {aside}]
     3: away from another or others; "they grew apart over the
        years"; "kept apart from the group out of shyness";
        "decided to live apart"
     4: placed or kept separate and distinct as for a purpose; "had
        a feeling of being set apart"; "quality sets it apart"; "a
        day set aside for relaxing" [syn: {aside}]
     5: one from the other; "people can't tell the twins apart"
     6: into parts or pieces; "he took his father's watch apart";
        "split apart"; "torn asunder" [syn: {asunder}]