pro·cras·ti·nate 
(pr
ō-kr
ăs
t
ə-n
āt
′, pr
ə-)
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.