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You know what it looks like… but what is it called?
TAKE THE QUIZSynonyms of clam up
Thesaurus Entries Near clam up
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“Clam up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/clam%20up. Accessed 29 Nov. 2022.
More from Merriam-Webster on clam up
Nglish: Translation of clam up for Spanish Speakers
Britannica English: Translation of clam up for Arabic Speakers
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