1
site
1
staging area
1
staging ground
1
station
1
strong point
1
tenaille
1
trench(noun, cover, position, guard, shield)
1
turret(noun, stronghold, fortress, fort)
1
vallum
1
wall(noun, cover, keep, position, guard)
1
work
0
advance work(expression, idiom, defense)
0
armor(noun, cover, position, guard, shield)
0
arms(noun, cover, position, guard, shield)
0
balustrade
0
barbacan
0
barbette
0
basis
0
baste
0
bastes
11 years ago|8.7k views|share |citing 
APASmart Define. (2015). bastion thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/bastion/thesaurus/synonyms
ChicagoSmart Define. 2015. "bastion thesaurus" https://smartdefine.org/bastion/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, bastion thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/bastion/thesaurus/synonyms>.
MLASmart Define. "bastion thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/bastion/thesaurus/synonyms>