There are several synonyms for the phrase "refuse to work" that can be used to describe a situation where someone is unwilling or resistant to performing their duties or responsibilities. Some commonly used synonyms include "shirk," "slack off," "procrastinate," "avoid," "neglect," and "resist." Each of these words carries slightly different connotations and shades of meaning, but all suggest a lack of willingness or motivation when it comes to fulfilling one's obligations. It is important to note that while these words may be used interchangeably in some contexts, they may not always be appropriate or accurate descriptors depending on the specific circumstances involved.