Source : Webster's Revised Unabridged Dictionary (1913)

Unlabored \Un*la"bored\, a.
   1. Not produced by labor or toil. ``Unlabored harvests.''
      --Dryden.

   2. Not cultivated; untitled; as, an unlabored field.

   3. Not laboriously produced, or not evincing labor; as, an
      unlabored style or work. --Tickell.