4
keep mum
4
lock in(verb, expression, phrasal verb, cover, confine)
4
rebut(verb, upset, break, expose, refute)
4
refute(upset, break)
4
restrain(verb, stop, quiet, cool, curb)
4
secure(verb, close, fasten)
4
shut down(verb, expression, calm, close, quiet)
4
soft-pedal(verb, calm, dull, quiet, finish)
3
coop up(verb, expression, confine, enclose)
3
Shut your face
3
Shut your trap
3
be silent(expression, idiom)
3
bolt(verb, close, secure, fasten)
3
cease
3
check(verb, stop, quiet, restrain, curb)
3
close down
3
confute(verb, upset, break, refute, disprove)
3
hem in(verb, expression, keep, cool, restrain)
3
hold it down(verb, expression, idiom, stop, calm)
3
hold tongue(verb, expression, quiet, still, silence)
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APASmart Define. (2016). shut up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/shut_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "shut up thesaurus" https://smartdefine.org/shut_up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, shut up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/shut_up/thesaurus/synonyms>.
MLASmart Define. "shut up thesaurus" 13 January 2016. Web. 21 September 2026. <https://smartdefine.org/shut_up/thesaurus/synonyms>