50 entries under still topic. ×

1
quash(verb, calm, dull, quiet, suppress)
1
quell(verb, calm, dull, quiet, suppress)
1
stifle(verb, stop, calm, dull, quiet)
1
stop talking(verb, expression, quiet, silence)
1
subdue(verb, calm, dull, quiet, suppress)
0
bottle up(expression, close, quiet, silence)
0
hold tongue(expression, quiet, silence, quieten)
0
keep trap shut(expression, idiom, quiet, silence)
0
quieten down(expression, quiet, silence)
0
quit chattering(expression, quiet, silence)
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APASmart Define. (2015). clam up thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/clam_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "clam up thesaurus" https://smartdefine.org/clam_up/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, clam up thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/clam_up/thesaurus/synonyms>.
MLASmart Define. "clam up thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/clam_up/thesaurus/synonyms>