let the cat out of the bag
Meanings
verb
- To disclose a secret; to let a secret be known, often inadvertently.
Pronunciation
Word forms
Etymology
(Mid-1700s) The inverse of the idiom pig in a poke. If a dishonest merchant tries to sell a cat as a pig and the cat comes out or is taken out of the bag, the merchant's secret is disclosed.
Synonyms
Related words
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