101 entries under noun topic. ×

3
shield(cover, position, guard, resistance)
2
refuge(place, keep, protection, defense)
2
acropolis(hold, keep, fortification, stronghold)
2
alcazar(hold, keep, stronghold, seat)
2
armor(cover, position, guard, shield)
2
barricade(cover, position, guard, shield)
2
base(quarters, barracks)
2
bastille(cover, position, guard, shield)
2
camp(fortification, stronghold, quarters, barracks)
2
command post(expression, quarters, bunker, barracks)
2
cover(position, guard, shield, resistance)
2
fasthold(hold, keep, stronghold, seat)
2
military post(expression, idiom, station, quarters)
2
palace(hold, keep, stronghold, seat)
2
peel(hold, keep, stronghold, seat)
2
presidio
2
protection(support, cover, position, guard)
2
resistance(cover, position, guard, shield)
2
safeguard(support, cover, position, guard)
2
safehold(hold, keep, stronghold, seat)
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APASmart Define. (2015). fortress thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/fortress/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortress thesaurus" https://smartdefine.org/fortress/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, fortress thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/fortress/thesaurus/synonyms>.
MLASmart Define. "fortress thesaurus" 15 May 2015. Web. 1 October 2026. <https://smartdefine.org/fortress/thesaurus/synonyms>