Synonyms to guardroom

brig, POW camp, bastille, black hole, borstal, borstal institution, bridewell, calaboose, can, cell, clink, concentration camp, condemned cell, cooler, death cell, death house, death row, detention camp, federal prison, forced-labor camp, gaol, guardhouse, house of correction, house of detention, industrial school, internment camp, jail, jailhouse, keep, labor camp, lockup, maximum-security prison, minimum-security prison, oubliette, pen, penal colony, penal institution, penal settlement, penitentiary, prison, prison camp, prisonhouse, reform school, reformatory, sponging house, state prison, stockade, the hole, tollbooth, training school, beleaguer, beset, besiege, big house, blockade, bolt in, bound, box in, bucket, caboose, cage, cast in prison, chamber, chokey, clap in jail, clap up, close in, college, compass, confine, constrain, contain, coop, coop in, coop up, cordon, cordon off, corral, detain, d