Open English Wordnet
Nouns
(n)procrastination, cunctation, shillyshallythe act of procrastinating; putting off or delaying or deferring an action to a later time
Verbs
(v)procrastinate, stall, drag one's feet, drag one's heels, shillyshally, dilly-dally, dillydallypostpone doing what one should be doing“He did not want to write the letter and procrastinated for days”