1
deathly quiet(expression, adjective, calm, quiet, smooth)
1
deathly still(expression, adjective, calm, quiet, smooth)
1
discreet(adjective, soft, low, careful, vague)
1
done(adjective, complete, over, finished, accomplished)
1
dumb(adjective, close, quiet, soft, low)
1
dummied up(expression, adjective, close, quiet, soft)
1
enigmatic(mysterious, private, reticent, taciturn, covert)
1
evasive(careful, vague, reserved, wary, ambiguous)
1
even-steven
1
faint(quiet, soft, still, silent, hushed)
1
fastened
1
feline(mysterious, private, reticent, taciturn, covert)
1
fixed(adjective, quiet, set, complete, smooth)
1
free from danger(expression, adjective, idiom, secure, safe)
1
halcyon(adjective, calm, quiet, smooth, tranquil)
1
home-free(adjective, secure, safe, snug, intact)
1
hush(adjective, close, quiet, soft, restrained)
1
hushful(adjective, close, quiet, smooth, soft)
1
iced(adjective, close, quiet, soft, restrained)
1
impervious(adjective, secure, safe, snug, intact)
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APASmart Define. (2013). buttoned up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/buttoned_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "buttoned up thesaurus" https://smartdefine.org/buttoned_up/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, buttoned up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/buttoned_up/thesaurus/synonyms>.
MLASmart Define. "buttoned up thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/buttoned_up/thesaurus/synonyms>