To Let the Cat Out of the Bag – Idiom Meaning Explained
Introduction
The English idiom “to let the cat out of the bag” is a well-known phrase used to describe the unintentional or premature revelation of a secret. Often used in conversations, writing, and media, it captures the moment someone shares something that was supposed to remain hidden.
This article will explain the exact meaning of this idiom, its origin, and how to use it effectively.
Meaning of the Idiom
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“To let the cat out of the bag” means to disclose a secret, either accidentally or carelessly.
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It can also refer to spoiling a surprise or giving away information before the right time.
Everyday Meaning
| Expression | Meaning |
|---|---|
| Let the cat out of the bag | Told a secret before it was supposed to be known |
| Spill the beans | Similar phrase with the same meaning |
| Break confidentiality | Formal version of the idiom |
Origin of the Phrase
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The idiom likely dates back to the 18th century, where dishonest traders might substitute a pig in a sack with a cat.
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When the buyer opened the bag to inspect it, the cat was revealed, exposing the fraud—hence the phrase.
Examples of Usage
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“He let the cat out of the bag and told everyone about the engagement.”
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“Be careful during the meeting—don’t let the cat out of the bag too soon.”
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“Oops! I wasn’t supposed to tell you that—I guess I let the cat out of the bag.”
Related Idioms and Phrases
| Idiom | Similar Meaning |
|---|---|
| Spill the beans | Reveal something confidential |
| Blow the cover | Expose something hidden or secret |
| Let it slip | Reveal something unintentionally |
| Jump the gun | Do or say something prematurely |
When to Use It
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In casual conversation: To describe minor secrets (like party plans or gifts)
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In professional settings: To explain information leaks or unplanned disclosures
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In writing or speeches: To add a visual and engaging idiomatic touch
Conclusion
The idiom “to let the cat out of the bag” means to reveal something that was supposed to be a secret. Whether you’re talking about a surprise party or a confidential project at work, this phrase helps add clarity—and a bit of color—to your expression. Just be sure you’re not the one letting that cat out!