Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb imprison

2 senses of imprison

Sense 1
imprison, incarcerate, lag, immure, put behind bars, jail, jug, gaol, put away, remand -- (lock up or confine, in or as in a jail; "The suspects were imprisoned without trial"; "the murderer was incarcerated for the rest of his life")
       => confine, detain -- (deprive of freedom; take into confinement)

Sense 2
imprison -- (confine as if in a prison; "His daughters are virtually imprisoned in their own house; he does not let them go out without a chaperone")
       => confine, detain -- (deprive of freedom; take into confinement)

Antonyms of adj imprisoned

1 sense of imprisoned

Sense 1
captive, confined, imprisoned, jailed -- (being in captivity)

INDIRECT (VIA unfree) -> free -- (able to act at will; not hampered; not under compulsion or restraint; "free enterprise"; "a free port"; "a free country"; "I have an hour free"; "free will"; "free of racism"; "feel free to stay as long as you wish"; "a free choice")

Similarity of adj imprisoned

1 sense of imprisoned

Sense 1
captive, confined, imprisoned, jailed -- (being in captivity)
       => unfree (vs. free) -- (hampered and not free; not able to act at will)