119 entries under defense topic. ×
| earthwork(noun, support, keep, fortification) | |
| fortress(noun, support, fortification, stronghold) | |
| guard(noun, support, care, shield, shelter) | |
| parapet(noun, support, block, bar, protection) | |
| bank | |
| bastion(noun, support, protection, fortification) | |
| battlement(support, keep, barricade, wall) | |
| embankment(noun, support, block, bar, protection) | |
| mound(fortification, wall, embankment, bulwark) | |
| security(noun, support, care, guard, shield) | |
| umbrella(noun, shade, care, guard, shield) | |
| vallation(noun, support, fortification, wall) | |
| abatis | |
| armor(noun, care, guard, shield, shelter) | |
| balistraria | |
| breastwork(support, keep, barricade, wall) | |
| casemate | |
| circumvallation | |
| contravallation | |
| escarp |
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| APA | Smart Define. (2015). barrier thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/barrier/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "barrier thesaurus" https://smartdefine.org/barrier/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, barrier thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/barrier/thesaurus/synonyms>. |
| MLA | Smart Define. "barrier thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/barrier/thesaurus/synonyms> |