5
jailhouse(noun, prison)
4
bridewell(noun, prison)
4
deep
4
enclosure(noun, area, field, pen, arena)
4
penal institution(noun, expression, idiom, facility)
3
calaboose(noun, prison)
3
reformatory(noun, prison)
3
asylum(noun, field, defense, pen, arena)
3
house of detention(noun, expression, idiom, prison)
3
penal settlement(expression, idiom, prison)
3
pound(noun, keep, field, pen, cell)
3
support
2
bastille(noun, prison)
2
black hole(noun, expression, idiom, prison)
2
cooler(noun, prison)
2
fastness(noun, defense)
2
tollbooth(noun, prison)
2
bridle(noun, prison)
2
castle
2
den(noun, field, container, pen, arena)
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APASmart Define. (2015). dungeon thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dungeon/thesaurus/synonyms
ChicagoSmart Define. 2015. "dungeon thesaurus" https://smartdefine.org/dungeon/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, dungeon thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dungeon/thesaurus/synonyms>.
MLASmart Define. "dungeon thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/dungeon/thesaurus/synonyms>