57 entries under close topic. ×

3
standoffish(adjective, quiet, gentle, mild)
2
buttoned up(verb, expression, adjective, phrasal verb)
2
clammed up(expression, adjective, quiet, soft)
2
composed(adjective, quiet, cool, gentle)
2
could hear a pin drop(expression, adjective, idiom, quiet)
2
formal(adjective, quiet, gentle, mild)
2
inhibited(adjective, quiet, restrained, still)
2
quiescent(adjective, quiet, soft, low)
2
restrained(adjective, quiet, soft, low)
2
still(adjective, adverb, quiet, soft)
2
undemonstrative(adjective, quiet, gentle, mild)
1
collected(adjective, quiet, cool, gentle)
1
hushed(adjective, quiet, soft, low)
1
hushful(adjective, quiet, soft, low)
1
inaudible(adjective, quiet, soft, low)
1
low(adjective, quiet, soft, sad)
1
low-pitched(adjective, quiet, soft, low)
1
muffled(adjective, quiet, soft, low)
1
muted(adjective, quiet, soft, low)
1
noiseless(adjective, quiet, soft, low)
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APASmart Define. (2015). taciturn thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/taciturn/thesaurus/synonyms
ChicagoSmart Define. 2015. "taciturn thesaurus" https://smartdefine.org/taciturn/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, taciturn thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/taciturn/thesaurus/synonyms>.
MLASmart Define. "taciturn thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/taciturn/thesaurus/synonyms>