45 entries under still topic. ×

1
hush(verb, adjective, calm, close, quiet)
1
iced(verb, adjective, close, quiet, soft)
1
inarticulate(quiet, soft, silent, dazed)
1
inaudible(adjective, close, quiet, soft, low)
1
incoherent(quiet, soft, silent, hushed)
1
inconversable(adjective, close, quiet, soft, restrained)
1
indistinct(quiet, soft, silent, hushed)
1
inhibited(quiet, soft, silent, hushed)
1
laconic(quiet, soft, aloof, reserved)
1
mousy(quiet, soft, silent, hushed)
1
muted(adjective, close, quiet, soft, low)
1
nonvocal(adjective, close, quiet, soft, restrained)
1
not talkative(expression, adjective, close, quiet, restrained)
1
quiet speechless(expression, hushed, soundless)
1
secretive(adjective, close, quiet, soft, low)
1
silentious(adjective, close, quiet, restrained)
1
soundless(adjective, close, quiet, smooth, soft)
1
speechless(adjective, close, quiet, soft, low)
1
struck dumb(verb, expression, adjective, close, quiet)
1
tongue-tied(quiet, shy, reticent, silent)
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APASmart Define. (2013). clammed up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/clammed_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "clammed up thesaurus" https://smartdefine.org/clammed_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, clammed up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/clammed_up/thesaurus/synonyms>.
MLASmart Define. "clammed up thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/clammed_up/thesaurus/synonyms>