Thraldom, n.
Etymology: [Icel. . See Thrall, and -dom.]
The condition of a thrall; slavery; bondage; state of servitude. [Written also thralldom.] Women are born to thraldom and penance And to be under man's governance. Chaucer. He shall rule, and she in thraldom live. Dryden.
Shades of meaning
Fernald lists thraldom only as an antonym, under liberty.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given