Seniority/ˌsiːnˈjɔːrəti/ Definition 1 of 2Pro Tip 1/3Workplace Hierarchy Seniority shows rank in job settings, where experience often equals higher status. Tim got the corner office due to his seniority at the firm. Pro Tip 2/3Decision Making Employees with seniority might get more say in company decisions or tasks. Because of her seniority, Andrea led the project discussion. Pro Tip 3/3Privileges Earned Seniority can mean first choice or special treatment in workplace benefits. Mark chose his schedule first, thanks to his seniority.