2
quiescent(adjective, close, quiet, soft, low)
2
soundless(adjective, close, quiet, soft, low)
2
steadfast(adjective, complete, firm, certain, obedient)
2
still(adjective, close, quiet, soft, low)
2
surd
2
taken for granted(expression, adjective, idiom, show, complete)
2
total(adjective, complete, firm, informal, certain)
2
unhesitating(adjective, complete, firm, certain, obedient)
2
virtual(adjective, complete, firm, certain, obedient)
2
voiceless
2
whist(adjective, close, quiet, soft, low)
1
arcane
1
buttoned up(expression, adjective, close, quiet, soft)
1
cabalistic
1
censored
1
clammed up(expression, adjective, close, quiet, soft)
1
classified
1
close-mouthed(adjective, close, quiet, soft, low)
1
closed
1
concealed
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APASmart Define. (2015). unuttered thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unuttered/thesaurus/synonyms
ChicagoSmart Define. 2015. "unuttered thesaurus" https://smartdefine.org/unuttered/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unuttered thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unuttered/thesaurus/synonyms>.
MLASmart Define. "unuttered thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/unuttered/thesaurus/synonyms>