73 entries under adjective topic. ×

1
lulled
1
not forthcoming(expression, quiet, silent, tight-lipped)
1
not talkative(expression, quiet, reticent, silent)
1
struck dumb(expression, still, hushed, soundless)
1
tightlipped
1
un-talkative
1
unheard(still, silent, hushed, soundless)
1
unspeaking(quiet, restrained, still, silent)
1
unspoken(silent, muffled, voiceless)
1
zipped(quiet, still, reticent, silent)
0
backstairs
0
buttoning up(expression, quiet, silent, taciturn)
0
clamming up(expression, quiet, silent, taciturn)
0
dense
0
dim
0
dull
0
dummy
0
hidden(quiet, silent, taciturn)
0
hush-hush(quiet, silent, taciturn)
0
in chambers
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APASmart Define. (2015). mum thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mum/thesaurus/synonyms
ChicagoSmart Define. 2015. "mum thesaurus" https://smartdefine.org/mum/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, mum thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mum/thesaurus/synonyms>.
MLASmart Define. "mum thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/mum/thesaurus/synonyms>