Spread the love

The phrase “let the cat out of the bag” is a common idiom that means to reveal a secret or disclose information that was meant to be kept hidden. This expression has been used in the English language for centuries and is still in use today. However, not many know the meaning and origin of this popular phrase.

A mischievous cat emerges from an open bag, revealing a secret

Exploring the Idiom ‘Let the Cat Out of the Bag’ The idiom “let the cat out of the bag” has an interesting history.

One theory suggests that this phrase originated from the practice of farmers and traders who would bring a pig to market in a bag. Some dishonest traders would substitute a cat for a pig, hoping to deceive their customers.

If someone let the cat out of the bag, they would reveal the fraud, and the dishonest trader would be exposed.

Another theory suggests that the phrase comes from the cat o’ nine tails, a whip used by the Royal Navy to punish sailors.

If a sailor was caught breaking the rules, he would be punished by the cat o’ nine tails, and his fellow sailors would say that he “let the cat out of the bag.”

While the exact origin of the phrase is uncertain, it is clear that it has been in use for centuries. The earliest known use of the phrase dates back to the 18th century, and it has been used in literature, films, and other forms of media ever since. Despite the lack of a definitive origin, the phrase remains a popular idiom in the English language.

Did You Know?

  • “Let the cat out of the bag” is an idiom that means to reveal a secret or disclose information that was meant to be kept hidden.
  • The origin of the phrase is uncertain, but there are several theories, including one related to fraud in the marketplace and another related to punishment in the Royal Navy.
  • The phrase has been in use for centuries and remains a popular idiom in the English language today.

Phrase Etymology Quick Fact

Did you know that the phrase “let the cat out of the bag” may originate from old market tricks? In medieval markets, dishonest sellers would trick buyers by substituting a cat for a pig in a sack. When the buyer opened the bag and the cat jumped out, the deceit was revealed. This phrase has since evolved to mean disclosing a secret or revealing a deception.

Secrets Revealed: The ‘Cat out of the Bag’ Quiz

Ready to test your knowledge on the fascinating origins and modern meanings of common phrases? 


Our quick quiz on “let the cat out of the bag” dives into the historical background and cultural significance of this well-known expression. Whether you’re a history buff, a language lover, or just curious about idioms, this quiz is a great way to challenge yourself and learn something new. 


Find out if you know where “let the cat out of the bag” comes from, how it’s been used in literature, and what it means in our everyday language today. 


Get started and see if you can get all the answers right!

Craving more phrase puzzles?

You’ve just scratched the surface! Visit our Phrase Quiz Collection for a treasure trove of quizzes, and keep testing your linguistic prowess!

Each quiz offers a deep dive into the intriguing histories and meanings behind other popular phrases, that will expand your knowledge, challenge what you’ve learned here, and discover the fascinating stories that language holds.

Exploring the Idiom “Let the Cat Out of the Bag”

A cat emerging from a partially open bag, with a surprised expression on its face. The bag should be slightly torn, as if the cat has just been revealed

Definition and Use in Language

“Let the cat out of the bag” is an idiomatic expression in the English language that means to reveal a secret or disclose a secret. It is a colloquialism that is commonly used in everyday conversation.

The saying is often used when someone unintentionally reveals information that was meant to be kept secret.

The idiom is a popular phrase in English and is commonly used in both formal and informal settings. It is a well-known saying in the English language and is often used in literature, movies, and television shows.

Etymological Background

The origin of the idiom “let the cat out of the bag” is not entirely clear, and there are several theories about its origin.

One theory suggests that the idiom comes from the practice of deceitful livestock vendors in medieval marketplaces.

These vendors would often sell a pig in a bag to unsuspecting customers, but sometimes they would substitute a cat for the pig.

If the customer let the cat out of the bag, they would discover the fraud. This theory is supported by RD.com and Phrases.org.uk.

Another theory suggests that the idiom comes from the Royal Navy’s use of the “cat o’ nine tails,” a whip used for punishment aboard ships.

The whip was kept in a bag, and if a sailor was to be punished, the “cat” would be taken out of the bag. This theory is supported by Mental Floss.

Regardless of its origin, “let the cat out of the bag” is a widely used and well-known English idiom that continues to be used in everyday language.

Historical Theories of Origin

A cat emerging from a bag, surrounded by ancient texts and artifacts

The phrase “let the cat out of the bag” is an idiom used to describe the act of revealing a secret or information that was intended to be kept hidden. The origin of this phrase is not certain, but there are several theories about how it came to be.

The Marketplace Theory

One theory suggests that the phrase originated in marketplaces, where buyers would often purchase a piglet that was wrapped in a sack.

Unscrupulous sellers would sometimes try to pass off a cat as a piglet by placing it in the sack instead.

If the buyer didn’t inspect the contents of the sack before purchasing it, they would only discover the deception when they let the cat out of the bag. This theory suggests that the phrase means to reveal a deception or swindle.

Naval Punishment Theory

Another theory suggests that the phrase originated in the British Royal Navy, where sailors were punished for misdemeanours by being flogged with a whip called a “cat o’ nine tails.”

The whip was kept in a bag to protect it from dampness, and if a sailor misbehaved, the cat o’ nine tails would be “let out of the bag” to administer punishment. This theory suggests that the phrase means to reveal a secret or wrongdoing that was intended to be kept hidden.

Cultural References and Usage

In Literature and Print

The expression “letting the cat out of the bag” has been used in literature and print for centuries. In fact, it was first recorded in the 18th century in The London Magazine.

The phrase has been used in various contexts, including revealing a secret or exposing a deception. In literature, the phrase has been used in works such as “The Canterbury Tales” by Geoffrey Chaucer and “The Merry Wives of Windsor” by William Shakespeare.

One notable reference to the phrase can be found in “Johannes Agricola in Meditation” by Martin Luther, where the German reformer used the phrase to describe the concept of revelation. In the Dutch language, the phrase “de aap komt uit de mouw” (the monkey comes out of the sleeve) is used to convey the same meaning.

Global Variations of the Expression

The expression “letting the cat out of the bag” is not exclusive to the English language. In fact, there are several variations of the phrase used around the world.

In German, the phrase “die Katze aus dem Sack lassen” (letting the cat out of the bag) is used to convey the same meaning. In Spanish, the phrase “soltar el rollo” (to release the roll) is often used to describe revealing a secret.

Another variation of the expression is “spilling the beans,” which is commonly used in American English.

This phrase is believed to have originated in ancient Greece, where beans were used in voting to indicate a “yes” or “no” answer. If someone accidentally knocked over the jar of beans, the secret vote would be revealed.

Modern Interpretations and Significance

The phrase “cat out of the bag” has evolved over time and is now commonly used to refer to the revelation of a secret or the exposure of a deception. It can also refer to the unintended disclosure of information that was meant to be kept confidential.

The phrase has gained significance in modern times due to its association with the exposure of scams and cons.

When someone reveals a scam or con, they are said to have “let the cat out of the bag.”

This phrase is often used in news articles and social media posts to describe the exposure of fraudulent activities.

The phrase “cat out of the bag” has also gained popularity in the context of surprise revelations.

When someone reveals a piece of information that was previously unknown, they are said to have “let the cat out of the bag.”

This phrase is often used in situations where someone accidentally reveals a surprise, such as a surprise party or a surprise gift.

Related Expressions and Their Meanings

The phrase “Cat out of the Bag” is just one of many idioms and proverbs that relate to revealing a secret. Here are a few other expressions and their meanings:

  • Spill the Beans: To accidentally or purposefully reveal a secret. This expression likely comes from the ancient Greek practice of voting by placing beans in a jar, and spilling the jar would reveal the results.
  • Let the Cat Out of the Bag: To reveal a secret, often accidentally. This idiom likely comes from a time when merchants would sell piglets in bags at markets. Dishonest sellers might replace the piglet with a cat, which was less valuable. When the buyer discovered the switch and “let the cat out of the bag,” the fraud was exposed.
  • Blabbermouth: A person who cannot keep a secret and reveals information that should be kept private.
  • Open One’s Mouth: To reveal a secret or say something that should not be said.
  • Loose Lips Sink Ships: A warning to keep quiet about sensitive information, especially during wartime. This phrase was popularized during World War II as a way to encourage people to avoid accidentally revealing military secrets.

Frequently Asked Questions

What is the historical origin of the phrase ‘let the cat out of the bag’?

The origin of the phrase ‘let the cat out of the bag’ is not entirely clear, but there are a few theories.

One theory suggests that the phrase may have originated in the Middle Ages, where sellers would trick buyers by placing a cat in a bag instead of a pig. When the buyer got home and opened the bag, the cat would jump out, revealing the seller’s deception.

Another theory suggests that the phrase may have originated from the practice of whipping sailors with a cat-o’-nine-tails, and that ‘letting the cat out of the bag’ referred to revealing a secret or transgression that would result in punishment.

How is the expression ‘cat out of the bag’ typically used in conversation?

The expression ‘cat out of the bag’ is typically used to refer to a situation where a secret or surprise has been revealed.

For example, if someone accidentally reveals a surprise party, it could be said that they ‘let the cat out of the bag.’

Can you provide examples of situations where the idiom ‘cat out of the bag’ would be appropriate?

Yes, the idiom ‘cat out of the bag’ would be appropriate in situations where a secret or surprise has been revealed.

For example, if someone accidentally reveals the gender of an unborn baby before the parents have announced it, it could be said that they ‘let the cat out of the bag.’

Similarly, if a company accidentally reveals a new product before it is officially announced, it could be said that they ‘let the cat out of the bag.’

What are some common misconceptions about the phrase ‘cat out of the bag’?

One common misconception about the phrase ‘cat out of the bag’ is that it refers to a cat being let out of a bag during a magic trick. However, this is not the case, as the phrase has a much older origin.

Another misconception is that the phrase refers to a cat being let out of a bag during a hunt, but this is also not accurate.

Are there any similar idioms to ‘cat out of the bag’ in other languages?

Yes, there are similar idioms in other languages. In French, for example, the equivalent expression is ‘révéler le pot aux roses.’ This translates to ‘reveal the truth.’ In Spanish, the equivalent expression is ‘soltar la sopa,’ which translates to ‘spill the beans.’

How has the usage of ‘cat out of the bag’ evolved over time?

The usage of ‘cat out of the bag’ has remained relatively consistent over time. The phrase continues to be used to refer to situations where a secret or surprise has been revealed. However, the phrase has become more widely known and used in recent years, thanks in part to its use in popular culture.

Summary

“Cat out of the bag” is a popular idiom that is used when someone reveals a secret or confidential information. The phrase has been in use for centuries and has become a part of everyday language.

The origin of the phrase is not entirely clear, but there are several theories about its origin.

One theory suggests that the phrase comes from the practice of selling piglets in bags. Dishonest sellers would sometimes substitute piglets with cats, hoping to deceive the buyer. If the buyer opened the bag, the cat would escape, revealing the fraud.

Another theory suggests that the phrase comes from the practice of whipping sailors with a cat o’ nine tails, a type of whip used by the Royal Navy. If a sailor was caught breaking the rules, the cat would be let out of the bag, and he would be punished.

Despite the various theories about its origin, the phrase “cat out of the bag” has become a part of everyday language. It is used in a variety of contexts and situations, from revealing secrets to exposing fraud and deception.

Understanding the meaning and origin of the phrase can help people use it more effectively and appreciate its historical significance.

If you want to learn more about the origin of “cat out of the bag” and other idioms, keep reading the blog for more great information!

Leave a Reply

Your email address will not be published. Required fields are marked *

Trending