| assurance(noun, reason, care, guard, explanation) | |
| attack | |
| back talk(noun, expression, return, sign, report) | |
| backcap(noun, return, sign, report, resolution) | |
| backing(support, encouragement) | |
| backstop | |
| bamboo curtain | |
| bank | |
| barrage | |
| basis(noun, cause, reason, approval, argument) | |
| bastille(noun, cover, guard, resistance, protection) | |
| battlement(support, fortification, barricade, wall, reinforcement) | |
| bear-trap dam | |
| behalf(noun, interest) | |
| bicker | |
| bickering | |
| breakwater | |
| brick wall | |
| brush(noun, action, split, struggle, speech) | |
| cabinet |
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| APA | Smart Define. (2015). defense thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/defense/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "defense thesaurus" https://smartdefine.org/defense/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, defense thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/defense/thesaurus/synonyms>. |
| MLA | Smart Define. "defense thesaurus" 22 December 2015. Web. 24 September 2026. <https://smartdefine.org/defense/thesaurus/synonyms> |