clam up

verb
clammed up; clamming up; clams up

Definition of clam up

intransitive verb

: to become silent clammed up and refused to talk

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Synonyms & Antonyms for clam up

Synonyms

Antonyms

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Examples of clam up in a Sentence

the little girl clammed up when the doctor came into the room

First Known Use of clam up

1916, in the meaning defined above

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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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Statistics for clam up

Cite this Entry

“Clam up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clam%20up. Accessed 2 Mar. 2021.

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