Dilatory

a.
  1. Inclined to defer or put off what ought to be done at once; given the procrastination; delaying; procrastinating; loitering; as, a dilatory servant.
  2. Marked by procrastination or delay; tardy; slow; sluggish; -- said of actions or measures.
  3. Dilatory plea (Law),
    a plea designed to create delay in the trial of a cause, generally founded upon some matter not connected with the merits of the case.