45 entries under prison topic. ×

14
keep(noun, hold, defense, fortification, cell)
12
dungeon(noun, defense)
6
hold(noun, keep, defense, stronghold)
6
stronghold(noun, hold, keep, defense, fortification)
5
fortress(noun, hold, keep, defense, stronghold)
3
cell(noun, fortification, stronghold, presidio)
3
oubliette
3
prison(noun, fortification, cell, stronghold, presidio)
1
black hole(noun, expression, idiom)
1
bridewell
1
cage
1
calaboose
1
choky
1
coop
1
den
1
guardroom
1
house of correction(expression, idiom)
1
hulks
1
jail
1
lockup
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APASmart Define. (2015). donjon thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/donjon/thesaurus/synonyms
ChicagoSmart Define. 2015. "donjon thesaurus" https://smartdefine.org/donjon/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, donjon thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/donjon/thesaurus/synonyms>.
MLASmart Define. "donjon thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/donjon/thesaurus/synonyms>