Clam-up synonyms
Category:
(Informal) To suddenly stop talking
refuse to talk or stop talking; fall silent
Find another word for clam-up. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for clam-up, like: close-up, dummy-up, shut up, belt-up, button-up, be-quiet and keep-mum.
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