68 entries under fortification topic. ×

9
fort(noun, defense, stronghold)
7
fortress(noun, defense)
5
stronghold(noun, top, defense, cell)
4
castle(noun, top, defense, cell)
4
stockade
3
donjon(noun, defense, cell, stronghold)
3
keep(noun, top, defense, cell)
2
acropolis(noun, station, cell, stronghold)
2
fasthold(noun, cell, stronghold, presidio)
2
outpost
2
safehold(noun, cell, stronghold, presidio)
2
tower(noun, top, cell, stronghold)
1
breastwork(noun, support, keep, defense)
1
earthwork(noun, support, keep, defense)
1
embattlement(noun, support, keep, defense)
1
entrenchment(noun, support, keep, defense)
1
guardhouse(noun, cell, stronghold, presidio)
1
presidio(noun, support, keep, defense)
1
redoubt(noun, top, station, cell)
1
support(noun, defense, cell, stronghold)
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APASmart Define. (2015). blockhouse thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/blockhouse/thesaurus/synonyms
ChicagoSmart Define. 2015. "blockhouse thesaurus" https://smartdefine.org/blockhouse/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, blockhouse thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/blockhouse/thesaurus/synonyms>.
MLASmart Define. "blockhouse thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/blockhouse/thesaurus/synonyms>