55 entries under defense topic. ×

1
scarp
1
stockade
1
bunker
1
camouflage
1
casemate
1
circumvallation
1
concealment
1
dyke
1
entrenchment
1
escarp
1
fosse
1
foxhole
1
paling
0
chevaux de frise(expression, idiom)
0
laager
0
counter-scarp
0
inclosure
0
intrenchment
0
kila
0
muniment
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APASmart Define. (2015). portcullis thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/portcullis/thesaurus/synonyms
ChicagoSmart Define. 2015. "portcullis thesaurus" https://smartdefine.org/portcullis/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, portcullis thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/portcullis/thesaurus/synonyms>.
MLASmart Define. "portcullis thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/portcullis/thesaurus/synonyms>