1
blunted
1
buttoned up(expression, adjective, close, quiet, soft)
1
cased
1
ceiled
1
clammed up(expression, adjective, close, quiet, soft)
1
cloaked
1
close(adjective, quiet, soft, low, peaceful)
1
close-mouthed(adjective, close, quiet, soft, low)
1
clouded
1
cloudy(adjective, soft, obscure, flat, dark)
1
coated
1
cold(adjective, soft, obscure, flat, dark)
1
conquer
1
coped
1
could hear a pin drop(expression, adjective, idiom, close, quiet)
1
cowled
1
crooked
1
cryptic
1
curb
1
curtained
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APASmart Define. (2016). muffled thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/muffled/thesaurus/synonyms
ChicagoSmart Define. 2016. "muffled thesaurus" https://smartdefine.org/muffled/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, muffled thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/muffled/thesaurus/synonyms>.
MLASmart Define. "muffled thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/muffled/thesaurus/synonyms>