grievance

/ˈɡriːvəns/
noun
  1. A complaint or feeling of unfair treatment.
    • The workers filed a grievance about unsafe working conditions.
    • The committee listened to every grievance from the residents.
    • He held a long-standing grievance against his former boss.
  2. A formal complaint made to an authority.
    • She submitted a formal grievance to the human resources department.
    • The union helped the employee prepare a grievance against the company.
    • The school has a process for students to report grievances.