12 entries under tight-lipped topic. ×

18
speechless(adjective, quiet, awkward, still, silent)
17
dumb(adjective, quiet, still, speak, silent)
10
taciturn(noun, adjective, quiet, still, silent)
5
reserved(adjective, quiet, still, shy, silent)
1
bashful(quiet, awkward, still, shy, silent)
1
hushed(quiet, soft, low, still, shy)
1
still(quiet, soft, low, silent, hushed)
1
unsociable(quiet, still, shy, silent, hushed)
1
unspeaking(quiet, still, shy, silent, hushed)
1
zipped(quiet, still, shy, silent, hushed)
0
not forthcoming(expression, quiet, shy, silent)
0
secretive(quiet, shy, silent)
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APASmart Define. (2015). voiceless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/voiceless/thesaurus/synonyms
ChicagoSmart Define. 2015. "voiceless thesaurus" https://smartdefine.org/voiceless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, voiceless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/voiceless/thesaurus/synonyms>.
MLASmart Define. "voiceless thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/voiceless/thesaurus/synonyms>