English Explanatory Dictionary

clam up

English dictionary entry

Meanings

verb
  1. To become silent; to stop talking.
  2. To make or become clammy.

Pronunciation

en-au-clam up.ogg

Word forms

clam up clams up clamming up clammed up

Etymology

By analogy with a clam closing itself. Compare clamshell (“mouth”), clam (“mouth”).

Synonyms

shut up shut up like a clam

Antonyms

talk
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