grievancegriev·ance /ˈgriːvəns/ noun1[countableC]HUMAN RESOURCES a complaint made by a worker to an employer, usually because they feel they have been treated unfairlyAll shopfloor grievances will be passed on to management.
You must pursue your complaint through the grievance procedure (=the system that a company has to examine and discuss workers’ complaints).
2[countableC, uncountableU] the feeling that you have been treated unfairly by someoneAlthough she had been effectively demoted, she felt no grounds for grievance.
grievance againstThe fire may have been started by someone with a grievance against the oil industry.