workaholic

/W ER1 K AH0 HH AA1 L IH0 K/
noun
  1. 1

    A person who feels compelled to work excessively.

    โ€œAll workaholics should move to Hong Kong, where working hours average over 50 per week.โ€

adjective
  1. 1

    In the nature or manner of a workaholic.

Source: https://en.wiktionary.org/wiki/workaholic