adj resembling a vassal; slavish; servile.
2. vassal ·noun a subject; a dependent; a servant; a slave.
3. vassal ·vt to treat as a vassal; to subject to control; to enslave.
4. vassal ·noun the grantee of a fief, feud, or fee; one who holds land of superior, and who vows fidelity and homage to him; a feudatory; a feudal tenant.