Grievance, n.
Etymology: [OF. grcvance. See Grieve, v. t.]
1. A cause of uneasiness and complaint; a wrong done and suffered; that which gives ground for remonstrance or resistance, as arising from injustice, tyranny, etc.; injury.
2. Grieving; grief; affliction. The . . . grievance of a mind unreasonably yoked. Milton.
Syn. -- Burden; oppression; hardship; trouble.
Shades of meaning
Fernald has no entry of its own for grievance; he lists it under injustice.
He lists it without comment; the entries above explain its neighbors.