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View definitions for clamming up

clamming up

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On this page you'll find 349 synonyms, antonyms, and words related to clam up, such as: be silent, button up, keep one's trap shut, not let out a peep, say nothing, and shut up.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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