Source : Webster's Revised Unabridged Dictionary (1913)

Labored \La"bored\, a.
   Bearing marks of labor and effort; elaborately wrought; not
   easy or natural; as, labored poetry; a labored style.

Labor \La"bor\, v. i. [imp. & p. p. {Labored}; p. pr. & vb. n.
   {Laboring}.] [OE. labouren, F. labourer, L. laborare. See
   {Labor}, n.] [Written also {labour}.]
   1. To exert muscular strength; to exert one's strength with
      painful effort, particularly in servile occupations; to
      work; to toil.

            Adam, well may we labor still to dress This garden.
                                                  --Milton.

   2. To exert one's powers of mind in the prosecution of any
      design; to strive; to take pains.

   3. To be oppressed with difficulties or disease; to do one's
      work under conditions which make it especially hard,
      wearisome; to move slowly, as against opposition, or under
      a burden; to be burdened; -- often with under, and
      formerly with of.

            The stone that labors up the hill.    --Granville.

            The line too labors,and the words move slow. --Pope.

            To cure the disorder under which he labored. --Sir
                                                  W. Scott.

            Come unto me, all ye that labor and are heavy laden,
            and I will give you rest.             --Matt. xi. 28

   4. To be in travail; to suffer the pangs of childbirth.

   5. (Naut.) To pitch or roll heavily, as a ship in a turbulent
      sea. -- Totten.

Source : WordNet®

labored
     adj 1: lacking natural ease; "a labored style of debating" [syn: {laboured},
             {strained}]
     2: requiring or showing effort; "heavy breathing"; "the subject
        made for labored reading" [syn: {heavy}, {laboured}]