Source : Webster's Revised Unabridged Dictionary (1913)

Laziness \La"zi*ness\, n.
   The state or quality of being lazy.

         Laziness travels so slowly, that Poverty soon overtakes
         him.                                     --Franklin.

Source : WordNet®

laziness
     n 1: inactivity resulting from a dislike of work [syn: {indolence}]
     2: apathy and inactivity in the practice of virtue (personified
        as one of the deadly sins) [syn: {sloth}, {acedia}]

Source : Free On-Line Dictionary of Computing

laziness
     
        {lazy evaluation}