56 entries under controlled topic. ×

17
subdued(verb, adjective, calm, dull, close)
16
hushed(verb, adjective, calm, dull, close)
14
quiet(adjective, calm, dull, close, weak)
14
soft(adjective, calm, dull, close, quiet)
10
softened(verb, adjective, dull, quiet, weak)
8
dim(adjective, dull, quiet, weak, soft)
5
mellow(adjective, calm, quiet, smooth, soft)
4
plain(adjective, calm, quiet, simple, soft)
4
restrained(verb, adjective, calm, close, quiet)
4
toned down(verb, expression, adjective, phrasal verb, quiet)
3
calm(adjective, quiet, smooth, soft, reasonable)
3
low-key(adjective, quiet, gentle, plain, restrained)
3
subtle(adjective, quiet, weak, soft, gentle)
2
conservative(calm, quiet, reasonable, mild, restrained)
2
mild(adjective, calm, dull, quiet, weak)
2
moderate(adjective, calm, dull, quiet, weak)
2
neutral(adjective, quiet, light, soft, gentle)
2
reserved(adjective, calm, close, quiet, soft)
2
reticent(adjective, calm, close, quiet, soft)
2
temperate(adjective, calm, quiet, reasonable, moderate)
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APASmart Define. (2015). muted thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/muted/thesaurus/synonyms
ChicagoSmart Define. 2015. "muted thesaurus" https://smartdefine.org/muted/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, muted thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/muted/thesaurus/synonyms>.
MLASmart Define. "muted thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/muted/thesaurus/synonyms>