37 entries under fortress topic. ×

24
citadel(noun, support, place, structure, stronghold)
18
stronghold(noun, support, place, cover, position)
12
bulwark(noun, support, place, cover, position)
10
fortification(noun, support, place, cover, position)
6
redoubt(noun, support, cover, position, top)
6
breastwork(noun, support, place, defense, fortification)
6
castle(noun, keep, top, defense, refuge)
6
defense(noun, support, place, cover, guard)
6
fort(noun, support, cover, position, guard)
5
fastness(noun, cover, position, top, guard)
4
barricade(noun, cover, keep, position, guard)
4
garrison(noun, cover, keep, position, guard)
3
barrier(noun, support, protection, defense, fortification)
3
earthwork(noun, keep, defense, fortification, barricade)
3
support(noun, support, place, defense, fortification)
2
acropolis(noun, stronghold, fort)
2
alcazar(noun, stronghold, fort)
2
blockhouse(noun, keep, top, defense, stronghold)
2
donjon(noun, stronghold, fort)
2
fasthold(noun, stronghold, fort)
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APASmart Define. (2015). bastion thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/bastion/thesaurus/synonyms
ChicagoSmart Define. 2015. "bastion thesaurus" https://smartdefine.org/bastion/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, bastion thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/bastion/thesaurus/synonyms>.
MLASmart Define. "bastion thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/bastion/thesaurus/synonyms>