161 entries under adjective topic. ×

1
ill-defined(weak, pale, unclear, hazy)
1
illegible
1
incoherent
1
indeterminate
1
inobtrusive(quiet, soft, low)
1
low-key(subdued, understated, unglamorous, unspectacular)
1
low-pitched(dull, close, quiet, weak)
1
matte(soft, obscure, flat, dark)
1
moderate(weak, pale, faded)
1
mousy(soft, obscure, flat, dark)
1
muddy(soft, obscure, flat, dark)
1
mumbling
1
not saying boo(expression, idiom, close, quiet)
1
opaque(soft, obscure, flat, dark)
1
overcast(soft, obscure, flat, dark)
1
pale(dull, weak, soft, gentle)
1
quiescent(close, quiet, soft, low)
1
quietened(verb, quiet, relaxed, subdued)
1
reserved(close, quiet, soft, low)
1
reticent(close, quiet, soft, low)
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APASmart Define. (2016). muffled thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/muffled/thesaurus/synonyms
ChicagoSmart Define. 2016. "muffled thesaurus" https://smartdefine.org/muffled/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, muffled thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/muffled/thesaurus/synonyms>.
MLASmart Define. "muffled thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/muffled/thesaurus/synonyms>