20 entries under defense topic. ×

5
barricade(noun, support, keep, fortification)
5
bulwark(noun, support, fortification, barricade)
5
fortification(noun, cell, stronghold, presidio)
4
barrier(noun, support, keep, fortification)
4
bastion(noun, keep, fortification, barricade)
4
battlement(noun, support, keep, barricade)
4
wall(noun, support, keep, fortification)
3
breastwork(noun, support, keep, fortification)
3
parapet(noun, support, fortification, barricade)
2
stronghold(noun, fortification, cell, presidio)
1
blockhouse(noun, support, keep, fortification)
1
castle(noun, keep, fortification, cell)
1
embattlement(noun, support, keep, fortification)
1
entrenchment(noun, support, keep, drain)
1
fort(noun, keep, fortification, barricade)
1
fortress(noun, fortification, barricade, embankment)
1
keep(noun, fortification, cell, stronghold)
1
presidio(noun, support, keep, fortification)
1
protection(noun, support, fortification, barricade)
1
support(noun, fortification, cell, stronghold)
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). earthwork thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/earthwork/thesaurus/synonyms
ChicagoSmart Define. 2015. "earthwork thesaurus" https://smartdefine.org/earthwork/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, earthwork thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/earthwork/thesaurus/synonyms>.
MLASmart Define. "earthwork thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/earthwork/thesaurus/synonyms>