grievance
(noun)
noun
1. a resentment strong enough to justify retaliation
Similar word(s): grudge, score
Definition categories: feeling, bitterness, gall, rancor, rancour, resentment
2. an allegation that something imposes an illegal obligation or denies some legal right or causes injustice
Definition categories: communication, allegation
3. a complaint about a (real or imaginary) wrong that causes resentment and is grounds for action
Definition categories: communication, complaint