80 entries under still topic. ×

2
pipe down(verb, expression, phrasal verb, calm, dull)
2
quell(verb, calm, dull, quiet, suppress)
2
quiet down(verb, expression, phrasal verb, calm, dull)
2
say nothing(verb, expression, calm, dull, quiet)
2
shush(verb, calm, dull, quiet, suppress)
2
sit on(verb, expression, phrasal verb, calm, dull)
2
strike dumb(verb, expression, idiom, calm, dull)
2
tongue-tie(verb, calm, dull, quiet, suppress)
1
bashful(quiet, soft, silent, hushed)
1
buttoned up(expression, adjective, close, quiet, soft)
1
closed up(verb, expression, quiet, soft)
1
curbed(quiet, soft, silent, hushed)
1
dummied up(verb, expression, quiet, soft)
1
dummy up(verb, expression, phrasal verb, calm, dull)
1
gag(verb, calm, dull, quiet, suppress)
1
iced(quiet, soft, silent, hushed)
1
inconversable(quiet, soft, silent, hushed)
1
inhibited(quiet, soft, silent, hushed)
1
muffle(verb, calm, dull, quiet, suppress)
1
muzzle(verb, calm, dull, quiet, suppress)
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APASmart Define. (2016). dumb thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms
ChicagoSmart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, dumb thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>.
MLASmart Define. "dumb thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms>