1. (noun)captivity, imprisonment, incarceration, immurement the state of being imprisoned
"he was held in captivity until he died"; "the imprisonment of captured soldiers"; "his ignominious incarceration in the local jail"; "he practiced the immurement of his enemies in the castle dungeon"
2. (noun)enslavement, captivity the state of being a slave "So every bondman in his own hand bears the power to cancel his captivity"--Shakespeare