7
gate(noun, hindrance, entrance)
5
fence
3
barrier
3
parapet
2
barricade
2
battlement
2
boom
2
bulwark
2
contravallation
2
dike
2
ditch
2
embankment
2
fortification
2
glacis
2
moat
2
mole
2
mound
2
palisade
2
abatis
2
drawbridge
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APASmart Define. (2015). portcullis thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/portcullis/thesaurus/synonyms
ChicagoSmart Define. 2015. "portcullis thesaurus" https://smartdefine.org/portcullis/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, portcullis thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/portcullis/thesaurus/synonyms>.
MLASmart Define. "portcullis thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/portcullis/thesaurus/synonyms>