Thesaurus

clam up

verb

Synonyms & Antonyms of clam up

to stop talking
  • the little girl clammed up when the doctor came into the room

Synonyms for clam up

Words Related to clam up

Phrases Synonymous with clam up

Near Antonyms for clam up

Antonyms for clam up

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Time Traveler for clam up

Time Traveler

The first known use of clam up was in 1916

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Thesaurus Entries Near clam up

clams up

clam up

clan

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Cite this Entry

“Clam up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/clam%20up. Accessed 25 Sep. 2021.

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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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