10
clink(noun, free, slang)
10
jail(noun, place, free)
10
prison(noun, free, can, fortification, cell)
9
pokey(noun, keep, free, slang, fortification)
8
can(noun, free, slang)
8
hoosegow(noun, free, slang)
8
pen(noun, free, informal)
8
stir(noun, free, slang)
7
cooler(noun, free, slang)
7
jug(noun, free, slang)
7
penitentiary(noun, free, jail)
6
jailhouse(noun, keep, fortification, cell, stronghold)
5
big house(noun, expression, idiom, free, slang)
5
brig(noun, free, jail)
5
coop(noun, free, slang)
5
gaol
4
calaboose(noun, free)
4
lockup(noun, free, informal, jail)
4
poky
3
quod
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APASmart Define. (2015). slammer thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/slammer/thesaurus/synonyms
ChicagoSmart Define. 2015. "slammer thesaurus" https://smartdefine.org/slammer/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, slammer thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/slammer/thesaurus/synonyms>.
MLASmart Define. "slammer thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/slammer/thesaurus/synonyms>