3
be quiet(verb, expression, idiom, keep silence)
3
shut up(verb, phrasal verb)
1
be down in the mouth(verb, lower, blinded, cloud, sulk)
1
be in a huff(verb, lower, blinded, cloud, sulk)
1
be irresponsive(verb, keep silence)
1
be morose(verb, lower, blinded, cloud, sulk)
1
be out of sorts(verb, lower, blinded, cloud, sulk)
1
be speechless(verb, keep silence)
1
bites one's tongue(verb, keep silence)
1
brood(verb, blinded, cloud, sulk, grumble)
1
clams up(verb, keep silence)
1
cuts the cackle(verb, keep silence)
1
dummies up(verb, keep silence)
1
frown(verb, lower, blinded, cloud, sulk)
1
gloom(verb, lower, blinded, cloud, sulk)
1
glower(verb, lower, blinded, cloud, sulk)
1
gripe(verb, lower, sulk, grumble, brood)
1
grouse(verb, lower, sulk, grumble, brood)
1
grump(verb, crab, sulk, grumble, bitch)
1
have lost one's tongue(verb, keep silence)
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APASmart Define. (2015). be silent thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/be_silent/thesaurus/synonyms
ChicagoSmart Define. 2015. "be silent thesaurus" https://smartdefine.org/be_silent/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, be silent thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/be_silent/thesaurus/synonyms>.
MLASmart Define. "be silent thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/be_silent/thesaurus/synonyms>