Definition of clam up
: to become silent
- clammed up and refused to talk
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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
clam up Synonyms
Synonyms
Related Words
Phrases
hold one's tongue (or hold one's peace);
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See words that rhyme with clam up Thesaurus: All synonyms and antonyms for clam up Spanish Central: Translation of clam up Nglish: Translation of clam up for Spanish speakers Britannica English: Translation of clam up for Arabic speakers
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