clam up

verb
clammed up; clamming up; clams up

Definition of clam up

intransitive verb

: to become silent clammed up and refused to talk

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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Dictionary Entries Near clam up

clamshell

clam up

clam worm

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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 25 May. 2022.

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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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