7
oubliette
7
quod
6
hold(verb, place, imprison, incarcerate)
6
house of correction(noun, expression, idiom, keep, free)
6
pokey(noun, keep, free, slang, fortification)
6
stockade(noun, field, pen, cell, arena)
5
bastille(noun, verb, hold, keep, sentence)
5
big house(noun, free, slang, institution)
5
immure(verb, hold, restraint, imprison, incarcerate)
5
imprison(verb, restraint)
5
incarcerate(verb, hold, restraint, imprison)
5
jailhouse(noun, keep, fortification, cell, stronghold)
5
penal institution(noun, expression, idiom, facility, residence)
5
prison house(noun, expression, idiom)
5
stir(noun, free, slang)
5
stronghold(noun, fortification, cell, presidio, sustainment)
5
tower(noun, place, fortification, cell, stronghold)
4
bridewell
4
captivity(noun, custody)
4
chokey
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APASmart Define. (2015). prison thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/prison/thesaurus/synonyms
ChicagoSmart Define. 2015. "prison thesaurus" https://smartdefine.org/prison/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, prison thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/prison/thesaurus/synonyms>.
MLASmart Define. "prison thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/prison/thesaurus/synonyms>