1
marches
1
marchland
1
milldam
1
moat
1
mole
1
mound
1
muteness(calm, quiet, speech, silence, softness)
1
noiselessness(calm, quiet, speech, silence, softness)
1
oath of secrecy(expression, idiom)
1
official secrecy
1
outpost
1
outskirts
1
pall
1
parapet
1
portcullis
1
quiescence(calm, quiet, speech, silence, softness)
1
quiet(calm, speech, silence, softness, reticence)
1
quietness(calm, quiet, speech, silence, softness)
1
quietude(calm, quiet, speech, silence, softness)
1
quietus(calm, quiet, speech, silence, softness)
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APASmart Define. (2015). iron curtain thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/iron_curtain/thesaurus/synonyms
ChicagoSmart Define. 2015. "iron curtain thesaurus" https://smartdefine.org/iron_curtain/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, iron curtain thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/iron_curtain/thesaurus/synonyms>.
MLASmart Define. "iron curtain thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/iron_curtain/thesaurus/synonyms>