63 entries under quiet topic. ×

1
noiseless(soft, low, still, silent)
1
nonvocal(soft, low, still, shy)
1
not talkative(expression, shy, reticent, silent)
1
retired(adjective, reserved, secret, private)
1
secluded(adjective, reserved, secret, private)
1
soundless(soft, low, still, shy)
1
still(soft, low, silent, hushed)
1
tight chops(expression, adjective, idiom, reserved)
1
unclear(soft, low, still, hushed)
1
unforthcoming(adjective, reserved, secret, private)
1
unsociable(still, shy, silent, hushed)
1
unspeaking(still, shy, silent, hushed)
1
voiceless(soft, low, still, shy)
1
zipped(still, shy, reticent, silent)
0
imperceptible(soft, low)
0
muffled(soft, low)
0
mumbled(soft, low)
0
not forthcoming(expression, shy, silent, tight-lipped)
0
not talkativ(expression, soft, silent)
0
out of earshot(expression, idiom, soft, low)
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APASmart Define. (2015). closemouthed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/closemouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "closemouthed thesaurus" https://smartdefine.org/closemouthed/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, closemouthed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/closemouthed/thesaurus/synonyms>.
MLASmart Define. "closemouthed thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/closemouthed/thesaurus/synonyms>