The Collaborative International Dictionary of English v.0.48:

Laggard \Lag"gard\, a. [Lag + -ard.]
   Slow; sluggish; backward.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Laggard \Lag"gard\, n.
   One who lags; a loiterer.
   [1913 Webster]

WordNet (r) 3.0 (2006):

laggard
    adj 1: wasting time [syn: dilatory, laggard, poky,
           pokey]
    n 1: someone who takes more time than necessary; someone who
         lags behind [syn: dawdler, drone, laggard, lagger,
         trailer, poke]