40 entries under security topic. ×

15
fortress(noun, hold, cover, keep, position)
12
citadel(noun, stronghold, keep, defense, fortification)
10
bulwark(noun, support, cover, position, guard)
9
stronghold(noun, hold, cover, keep, position)
8
fastness(noun, hold, cover, keep, position)
7
garrison(noun, cover, position, guard, shield)
7
redoubt(noun, support, cover, position, top)
7
defense(noun, support, cover, guard, resistance)
6
palisade(noun, cover, position, guard, shield)
5
dike(noun, cover, position, guard, shield)
5
fortification(noun, support, hold, cover, keep)
5
stockade(noun, cover, position, guard, shield)
4
bastion(noun, support, cover, position, guard)
4
trench(noun, cover, position, guard, shield)
2
rampart(noun, support, cover, position, guard)
2
ward(noun, cover, position, guard, shield)
1
barricade(noun, cover, keep, position, guard)
1
buttress(noun, support, cover, position, guard)
1
embankment(noun, support, cover, position, guard)
1
fence(noun, cover, position, guard, shield)
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APASmart Define. (2015). fort thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fort/thesaurus/synonyms
ChicagoSmart Define. 2015. "fort thesaurus" https://smartdefine.org/fort/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fort thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fort/thesaurus/synonyms>.
MLASmart Define. "fort thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/fort/thesaurus/synonyms>