1
restrain(verb, stop, close, keep, curb)
1
retain(verb, keep, suppress, refuse, deny)
1
satisfy(verb, calm, subdue, relax, soothe)
1
settle(verb, calm, subdue, relax, satisfy)
1
shut
1
slack(verb, calm, subdue, relax, satisfy)
1
smooth(verb, calm, subdue, relax, satisfy)
1
smother(verb, stop, close, restrain, curb)
1
soften(verb, calm, subdue, relax, satisfy)
1
soothe(verb, calm, subdue, relax, satisfy)
1
spike(verb, stop, keep, restrain, curb)
1
square(verb, calm, subdue, relax, satisfy)
1
stagnate(verb, stop, restrain, curb, suppress)
1
stifle(verb, stop, calm, dull, quiet)
1
stop oneself(verb, expression, keep, suppress, refuse)
1
stop talking(verb, expression, quiet, still, silence)
1
strangle(verb, stop, restrain, curb, suppress)
1
stroke(verb, calm, subdue, relax, satisfy)
1
stultify(verb, stop, restrain, curb, suppress)
1
subdue(verb, calm, dull, quiet, suppress)
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APASmart Define. (2015). clam up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/clam_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "clam up thesaurus" https://smartdefine.org/clam_up/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, clam up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/clam_up/thesaurus/synonyms>.
MLASmart Define. "clam up thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/clam_up/thesaurus/synonyms>