The phrase "unhappy employees" refers to workers who are not satisfied or content with their jobs. They may feel dissatisfied, demotivated, or unhappy in their workplace. Full definition
As a manager or HR professional, you should always watch out for unhappy employees. (manilarecruitment.com)
Businesses often forget about the culture, and ultimately, they suffer for it because you can't deliver good service from unhappy employees. (coworkingconsultant.co)
There's simply no reason to have unhappy employees in your organization. (inc.com)