Bastilles are fortified structures or buildings used as prisons, primarily in the past. Synonyms for bastilles include dungeons, jails, penitentiaries, correctional facilities, slammer, and the hoosegow. Other synonyms such as detention centers, confinement, icebox, and jailhouse depict similar ideas of incarceration and captivity. These synonyms highlight the negative connotations associated with bastilles and the experience of being a prisoner. Often portrayed as dark, dreary places with poor living conditions, the synonymy offers a picture of the bleak reality that prisoners faced in these structures. Even though many of these structures are no longer in use, the synonyms for bastilles continue to invoke a sense of punishment, captivity, and restriction.