- Definitions|1
- Thesaurus|378
- Abbreviations|0
| suffocate(verb, stop, restrain, curb, suppress) | |
| take the bite out of(verb, expression, idiom, phrasal verb, calm) | |
| torpedo(verb, stop, close, restrain, curb) | |
| trammel(verb, stop, restrain, curb, suppress) | |
| tranquilize(verb, calm, subdue, relax, satisfy) | |
| withhold(verb, keep, suppress, refuse, deny) | |
| Button your lip | |
| Hold your tongue | |
| Mum's the word | |
| Shut your face | |
| Shut your gob | |
| Shut your trap | |
| administer | |
| advocate | |
| be calm(quiet, inactivate) | |
| be silent | |
| be unforthcoming(verb, choke) | |
| be unwilling to talk(verb, choke) | |
| block | |
| boss |
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| APA | Smart Define. (2015). clam up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/clam_up/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "clam up thesaurus" https://smartdefine.org/clam_up/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, clam up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/clam_up/thesaurus/synonyms>. |
| MLA | Smart Define. "clam up thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/clam_up/thesaurus/synonyms> |