Synonyms|190Antonyms|1|Broader|1Narrower|1Related|86

35 entries under prison topic. ×

11
penitentiary(noun, jail, school)
11
prison(noun, keep, pen, cell, residence)
9
jail(noun, place, keep, pen)
7
cooler(noun, school)
6
gaol(noun, keep, jail, confinement)
5
dungeon
5
oubliette
5
pen
4
brig
4
jailhouse
4
lockup
3
bastille
3
cell
3
jug
3
keep
3
stockade
2
cage
2
coop
2
stronghold
1
alcatraz
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ChicagoSmart Define. 2015. "reformatory thesaurus" https://smartdefine.org/reformatory/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, reformatory thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/reformatory/thesaurus/synonyms>.
MLASmart Define. "reformatory thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/reformatory/thesaurus/synonyms>