pro·cras·ti·nate 
(prō-krăstə-nāt′, prə-)
(prō-krăstə-nāt′, prə-)v. pro·cras·ti·nat·ed, pro·cras·ti·nat·ing, pro·cras·ti·nates
v.intr.
To put off doing something, especially out of habitual carelessness or laziness.
v.tr.
To postpone or delay needlessly.
[Latin prōcrāstināre, prōcrāstināt- : prō-, forward; see PRO-1 + crāstinus, of tomorrow (from crās, tomorrow).]
pro·cras′ti·nation n.
pro·crasti·na′tor n.