Synonyms|298Antonyms|6|Broader|6Narrower|8Related|121
1
defensive structure
1
defence
1
defense
1
fortification
1
large built structure(noun, system, building, engineering, architecture)
0
building
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HarvardSmart Define 2015, fortress thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fortress/thesaurus/broader>.
MLASmart Define. "fortress thesaurus" 15 May 2015. Web. 25 September 2026. <https://smartdefine.org/fortress/thesaurus/broader>