grievance

/ˈgrē-vən(t)s/

Middle English grevaunce, grevance "offense, ground for complaint, resentment, hardship, sickness," borrowed from Anglo-French, from grever "to be a burden to, harm, afflict" + -aunce, -ance -ance

noun

  1. a cause of distress (such as an unsatisfactory working condition) felt to afford reason for complaint or resistance

  2. the formal expression of a grievance : complaint

  3. suffering, distress

Her chief grievance was the sexual harassment by her boss.

injustice injury wrong grievance mean an act that inflicts undeserved hurt. injustice applies to any act that involves unfairness to another or violation of one's rights. injury applies in law specifically to an injustice for which one may sue to recover compensation.