verb
jail, confine, incarcerate, lock up, coop up, immure, impound, detain, keep in, hold, intern, circumscribe, shut in, bottle up, lock in, bolt in, rail in, box in, fence in, cage, send to prison, throw in jail, keep as captive, hold as hostage, enclose, keep in custody, hold captive, put behind bars, commit, remand, remit, commit to an institution, institutionalize, put away*, slap in the can*, dress in steel*, lay in lavender*, clap under hatches*, send up*, send up the river*; see also enclose 1.
Antonyms free*, liberate, release.
