67 entries under prison topic. ×

20
fortress(noun, support, hold, cover, keep)
13
keep(noun, hold, defense, refuge, fortification)
12
dungeon(noun, defense)
8
cell(noun, fortification, presidio, sustainment)
7
donjon(noun, hold, keep, defense, fortification)
7
tower(noun, hold, part, keep, top)
6
cage
5
hold(noun, verb, keep, defense)
5
prison(noun, fortification, cell, presidio)
3
coop
3
jail
3
lockup
3
oubliette
3
pen
3
penitentiary
3
pound
3
station
3
stockade(noun, cover, position, guard, shield)
2
bastille(noun, cover, position, guard, shield)
2
confine(noun, verb)
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APASmart Define. (2015). stronghold thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/stronghold/thesaurus/synonyms
ChicagoSmart Define. 2015. "stronghold thesaurus" https://smartdefine.org/stronghold/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, stronghold thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/stronghold/thesaurus/synonyms>.
MLASmart Define. "stronghold thesaurus" 10 April 2015. Web. 2 October 2026. <https://smartdefine.org/stronghold/thesaurus/synonyms>