Synonyms for clam up
clam up

WiktionaryRate these synonyms:0.0 / 0 votes

1. clam upverb

   Synonyms:
   shut up

   Antonyms:
   talk

2. clam upverb

   To become silent; to stop talking, to shut up.

   Synonyms:
   shut up

   Antonyms:
   talk

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. close up, clam up, dummy up, shut up, belt up, button up, be quiet, keep mumverb

   refuse to talk or stop talking; fall silent

   "The children shut up when their father approached"

   Synonyms:
   block, shut away, belt up, hush, button up, dummy, impede, lock away, lock up, hush up, be quiet, still, dummy up, close up, keep mum, close, close down, obstruct, put away, lock in, fold, obturate, lock, shut down, quieten, shut up, jam, silence, occlude

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How to use clam up in a sentence?

1. Mark Feldstein:

   It varies widely. Some appoint outside independent blue-ribbon commissions to investigate and issue a public report, others investigate internally with or without a public report and some clam up entirely.