97 entries under adjective topic. ×

2
stifled(dull, quiet, weak, soft)
2
unuttered(close, quiet, soft, low)
2
whist(close, quiet, soft, low)
2
wordless(quiet, soft, low, still)
1
bated(dull, weak, soft, gentle)
1
blurred(weak, pale, unclear, hazy)
1
buttoned up(expression, close, quiet, soft)
1
clammed up(expression, close, quiet, soft)
1
close(quiet, soft, low, still)
1
close-mouthed(close, quiet, soft, low)
1
closemouthed(quiet, soft, low, still)
1
could hear a pin drop(expression, idiom, close, quiet)
1
deadened(quiet, weak, pale, faded)
1
distant(dull, weak, soft, gentle)
1
faded(weak, pale)
1
faltering(weak, pale, faded)
1
hushful(close, quiet, soft, low)
1
inobtrusive(quiet, soft, low)
1
low-pitched(dull, close, quiet, weak)
1
lulled
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APASmart Define. (2015). inaudible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inaudible/thesaurus/synonyms
ChicagoSmart Define. 2015. "inaudible thesaurus" https://smartdefine.org/inaudible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, inaudible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inaudible/thesaurus/synonyms>.
MLASmart Define. "inaudible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/inaudible/thesaurus/synonyms>