5
fortified
1
bulwarked(adjective, firm, guarded, protected, defended)
1
protected
1
secure
1
walled
0
acquired
0
barricaded
0
built-up(adjective, reinforced)
0
constant
0
fast
0
having bastions(expression, idiom)
0
manned
0
securer
0
turreted
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APASmart Define. (2013). bastioned thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/bastioned/thesaurus/synonyms
ChicagoSmart Define. 2013. "bastioned thesaurus" https://smartdefine.org/bastioned/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, bastioned thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/bastioned/thesaurus/synonyms>.
MLASmart Define. "bastioned thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/bastioned/thesaurus/synonyms>