Thesaurus
Synonyms & Antonyms of clam up
to stop talking
- the little girl clammed up when the doctor came into the room
Synonyms for clam up
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“Clam up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/clam%20up. Accessed 25 Sep. 2021.
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Time Traveler for clam up
The first known use of clam up was in 1916
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