captive
noun
adjective
she was against keeping wild animals captive:
confined, caged, incarcerated, locked up, penned up;
chained, shackled, fettered, ensnared;
restrained, under restraint, restricted, secure;
jailed, imprisoned, in prison, interned, detained, in captivity, under lock and key, behind bars, in bondage, taken prisoner;
captured.
▷antonyms free.