Workaholic

Workaholic

noun uk/ˌwɜː.kəˈhɒl.ɪk/ us/ˌwɝː.kəˈhɑː.lɪk/

-A person who works a lot of the time and finds it difficult not to work.

-A person who feels compelled to work excessively.

ex:

A self-confessed workaholic, Nathan can't remember when he last had a holiday.

Nathan is a real workaholic who almost never takes time off.

Nathan is such a workaholic that he would put a stakhanovite to shame.