6
security(noun, support, cover, position, guard)
5
hold(noun, verb, keep, defense, prison)
5
blockhouse(noun, top, defense, fortification, cell)
5
prison(noun, fortification, cell, presidio, prison)
5
rampart(noun, support, cover, position, guard)
3
asylum(noun, defense)
3
barricade(noun, cover, position, guard, shield)
3
beachhead
3
coop(noun, prison)
3
cover(noun, position, guard, shield, resistance)
3
guard(noun, support, cover, position, shield)
3
harbor(noun, defense)
3
jail(noun, prison)
3
lockup(noun, prison)
3
oubliette(noun, prison)
3
pen(noun, prison)
3
penitentiary(noun, prison)
3
port
3
post
3
pound(noun, prison)
11 years ago|10k views|share |citing 
APASmart Define. (2015). stronghold thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/stronghold/thesaurus/synonyms
ChicagoSmart Define. 2015. "stronghold thesaurus" https://smartdefine.org/stronghold/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, stronghold thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/stronghold/thesaurus/synonyms>.
MLASmart Define. "stronghold thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/stronghold/thesaurus/synonyms>