2
murmurous
2
non-resonant(adjective, non-resonant)
2
obscure(adjective, quiet, weak, soft, flat)
2
peaceful
2
quieted(verb, adjective, close, quiet, soft)
2
silent(adjective, close, quiet, soft, gentle)
2
soundless(adjective, close, quiet, soft, low)
2
still(adjective, close, quiet, soft, gentle)
2
suppressed(verb, adjective, quiet, stifled)
2
toned down(verb, expression, adjective, phrasal verb, quiet)
2
unheard(adjective, silent)
2
unintelligible
2
whispering(adjective, quiet)
1
armored
1
ashen(adjective, soft, obscure, flat, dark)
1
asphyxiated
1
benumbed
1
between the lines(expression, idiom)
1
bleary(adjective, unclear, hazy, blurry)
1
blind(adjective, soft, obscure, flat, dark)
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APASmart Define. (2016). muffled thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/muffled/thesaurus/synonyms
ChicagoSmart Define. 2016. "muffled thesaurus" https://smartdefine.org/muffled/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, muffled thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/muffled/thesaurus/synonyms>.
MLASmart Define. "muffled thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/muffled/thesaurus/synonyms>