1
discreet
1
economical of words(expression, idiom)
1
evasive
1
faint(adjective, close, quiet, soft, low)
1
faithful
1
hidden(adjective, quiet, reserved, secret, private)
1
hush(quiet, soft, still, silent, hushed)
1
hushed(quiet, soft, low, still, shy)
1
iced(quiet, soft, still, silent, hushed)
1
inarticulate(quiet, soft, still, silent, hushed)
1
inaudible(adjective, quiet, soft, low, still)
1
incoherent(quiet, soft, still, silent, hushed)
1
incommunicative
1
inconversable(quiet, soft, still, silent, hushed)
1
indisposed to talk(expression, idiom)
1
indistinct(quiet, soft, still, silent, hushed)
1
inhibited(quiet, soft, still, silent, hushed)
1
low(quiet, soft, silent)
1
mousy(quiet, soft, still, silent, hushed)
1
muted(quiet, soft, low, shy, reticent)
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APASmart Define. (2015). closemouthed thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/closemouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "closemouthed thesaurus" https://smartdefine.org/closemouthed/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, closemouthed thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/closemouthed/thesaurus/synonyms>.
MLASmart Define. "closemouthed thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/closemouthed/thesaurus/synonyms>