workaholic
noun/ˌwɜrkəˈhɑlɪk/
Frequency rank: #18,140 most common English word
Meaning
a person who compulsively works excessively hard and long hours

Example sentence
My boss is such workaholic that she never takes a day off, even on holidays.
Synonyms & related words
- overachiever
- grind
- striver
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