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Meaning of put up or shut up | Babel Free

Verb CEFR C2

Definitions

To desist from saying something unless one is able to prove it; to act in a manner that makes further talk unnecessary.

idiomatic

Examples

“"If the evidence for modern Darwinian theory is so overwhelming, they should have called the bluff on the other side and come and made their arguments. ... They should have put up or shut up."”

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

put up the shutters put up to put up with put words in someone's mouth put-put put-puts