1
clamming up(expression, calm, close, quiet, subdue)
1
clamp down(verb, expression, phrasal verb, stop, close)
1
close
1
compose(verb, calm, subdue, relax, satisfy)
1
conceal(verb, keep, suppress, refuse, deny)
1
console(verb, calm, subdue, relax, satisfy)
1
constipate(verb, stop, close, restrain, curb)
1
constrain(verb, close, keep, suppress, refuse)
1
cool out(verb, expression, phrasal verb, calm, quiet)
1
cork(verb, stop, close, restrain, curb)
1
cover up(verb, expression, phrasal verb, stop, close)
1
crack down(verb, expression, phrasal verb, stop, restrain)
1
curb(verb, stop, keep, restrain, suppress)
1
dampen(verb, calm, dull, quiet, suppress)
1
deaden(verb, calm, dull, quiet, suppress)
1
deduct(verb, keep, suppress, refuse, deny)
1
deny(verb, keep, suppress, refuse, reserve)
1
detain(verb, keep, suppress, refuse, deny)
1
disallow(verb, keep, suppress, refuse, deny)
1
dummied up(expression, close, quiet, gag, quieten)
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APASmart Define. (2015). clam up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/clam_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "clam up thesaurus" https://smartdefine.org/clam_up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, clam up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/clam_up/thesaurus/synonyms>.
MLASmart Define. "clam up thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/clam_up/thesaurus/synonyms>