| Vassal 1. (n.) A feudal tenant; a slave; a bondman. 2. (n.) A subject; a dependent; a servant; a slave. 3. (a.) Resembling a vassal; slavish; servile. 4. (v. t.) To treat as a vassal; to subject to control; to enslave. Thesaurus Entries bondmaid, bondman, bondslave, bondsman, bondswoman, captive, chattel, chattel slave, churl, client, concubine, creature, debt slave, dependent, feudal, feudatory, flunky, follower, galley slave, hanger-on, helot, homager, inferior, lackey, liege, liege man, liege subject, minion, myrmidon, odalisque, peon, retainer, serf, servant, servile, slave, stooge, subject, subordinate, subservient, theow, thrall, tributary, underling, understrapper, villein, yeoman | ![]() |