Procrastinate

pro‧cras‧ti‧nate /prəˈkræstəneɪt, prəˈkræstɪneɪt/ BrE AmE verb [intransitive]
[Date: 1500-1600; Language: Latin; Origin: past participle of procrastinare, from cras 'tomorrow']
formal to delay doing something that you ought to do, usually because you do not want to do it SYN put off:
People often procrastinate when it comes to paperwork.

Oxford Advanced Learner's Dictionary

procrastinate

pro·cras·tin·ate [procrastinate procrastinates procrastinated procrastinating] [prəʊˈkræstɪneɪt] [proʊˈkræstɪneɪt] verb intransitive (formal, disapproving)
to delay doing sth that you should do, usually because you do not want to do it
• People were dying of starvation while governments procrastinated.
Derived Word: procrastination

Word Origin:

late 16th cent.: from Latin procrastinat- ‘deferred till the morning’, from the verb procrastinare, from pro- ‘forward’ + crastinus ‘belonging to tomorrow’ (from cras ‘tomorrow’).

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

procrastinate / prəˈkræs.tɪ.neɪt / / proʊ- / verb [ I ]

to keep delaying something that must be done, often because it is unpleasant or boring:

I know I've got to deal with the problem at some point - I'm just procrastinating.

procrastination / -ˌkræs.tɪˈneɪ.ʃ ə n / noun [ U ]

Collins Advanced Learner’s English Dictionary

procrastinate

[proʊkræ̱stɪneɪt]
procrastinates, procrastinating, procrastinated
VERB
If you procrastinate, you keep leaving things you should do until later, often because you do not want to do them. [FORMAL]
  Most often we procrastinate when faced with something we do not want to do.
Syn:
stall
  Derived words:
  procrastination [proʊkræ̱stɪne͟ɪʃ(ə)n] N-UNCOUNT He hates delay and procrastination in all its forms.

Merriam-Webster's Advanced Learner's Dictionary

procrastinate

pro·cras·ti·nate /prəˈkræstəˌneɪt/ verb -nates; -nat·ed; -nat·ing [no obj] : to be slow or late about doing something that should be done : to delay doing something until a later time because you do not want to do it, because you are lazy, etc.
• He procrastinated and missed the submission deadline.
• He told her to stop procrastinating and get to work.
- pro·cras·ti·na·tion /prəˌkræstəˈneɪʃən/ noun [noncount]
• She is not prone to procrastination.
- pro·cras·ti·na·tor /prəˈkræstəneɪtɚ/ noun, pl -tors [count]
• Some people are procrastinators when it comes to paying their bills.