2
bastille(noun, cover, position, guard, shield)
2
fortified center(expression, structure, building, construction, architecture)
2
jailhouse(noun, fortification, cell, stronghold, presidio)
2
keep(noun, structure, safety, tower)
2
mainstay(noun, support, rock, fortification, stronghold)
2
presidio(noun, defense, refuge, fortification, cell)
2
prison(noun, fortification, cell, stronghold, presidio)
2
rampart(noun, support, cover, position, guard)
1
bunker(noun, place, structure, safety)
1
burg(noun, place, structure, safety)
1
strongly fortified place(expression, place, structure, safety)
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APASmart Define. (2015). citadel thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/citadel/thesaurus/synonyms
ChicagoSmart Define. 2015. "citadel thesaurus" https://smartdefine.org/citadel/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, citadel thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/citadel/thesaurus/synonyms>.
MLASmart Define. "citadel thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/citadel/thesaurus/synonyms>