20
jail(noun, verb, adjective, hold, place)
19
penitentiary(noun, keep, run, free, cell)
18
dungeon(noun, place, keep, field, pen)
17
keep(noun, place, free, refuge, fortification)
17
pen(noun, free, informal, restraint, field)
14
cell(noun, place, keep, field, fortification)
12
confinement(noun, pen, custody, residence, jail)
12
slammer(noun, free, slang, can, fortification)
11
brig(noun, free, jail)
9
lockup(noun, free, informal, residence, jail)
9
calaboose
9
clink(noun, free, slang, residence)
9
coop(noun, run, free, slang, restraint)
9
jug(noun, free, slang)
9
reformatory(noun, keep, pen, cell, residence)
8
gaol(noun, keep, jail)
8
cage(noun, verb, hold, run, restraint)
8
can(noun, verb, hold, free, slang)
8
confine(noun, verb, hold, restraint, imprison)
8
cooler(noun, free, slang, residence)
<1234510>
11 years ago|10k views|share |citing 
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>