the cat is out of the bag
- idiom
- Informal
- Now that the cat is out of the bag, we can finally plan the surprise party together.
- let the cat is out of the bag
- now the cat's out of the bag
- Oh, the cat's out of the bag
Examples
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Looks like the cat's out of the bag.
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By then, they had already let the cat out of the bag...
Blog text (18) -
- The cat is out of the bag!
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And once that particular cat is out of the bag, others are sure to follow.
Blog text (26) -
Someone has let the cat out of the bag.
Fiction book (1991) -
Well, the cat is out of the bag with this New World Order thing.
Blog text (18) -
Well, I guess the cat's out of the bag, huh?
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I think the cat's out of the bag, Teddy.
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The cat's out of the bag now.
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The cat's out of the bag.
Synonyms
Show something that was hidden or secret
To become known to people after being hidden
Reveal hidden facts or bad actions to people
Reveal secret facts to the public
Tell secret or private information to other people
Tell a secret by accident before others know
To tell a secret that should be kept
To reveal information that was previously hidden
A secret or problem becomes known later
Tell a secret and spoil a planned surprise
To tell a secret by accident and spoil a surprise
Their plan to trick people is discovered so they cannot continue
To reveal something hidden or forgotten
To become known after being hidden
Antonyms
How Revealed
- Informal
Surface Forms
Morphology
the + cat + be + out + of + the + bag
The meaning 'a secret has been revealed' cannot be directly derived from the literal constituents 'cat', 'bag' and the verb 'be/ out' — the image of a cat in a bag does not transparently map to disclosure. Although 'out' can suggest exposure, the whole phrase is an established idiom with an opaque, culturally specific meaning that a B1 learner who only knows the individual words would not reliably predict.
Etymology
The idiom the cat is out of the bag comes from a story about old markets: a seller would hide a pig in a bag, but dishonest sellers sometimes put a cat instead. If the cat got out of the bag, the trick was found out, so the phrase now means 'a secret has been revealed'.