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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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loose cannon

Grammar usage guide and real-world examples

USAGE SUMMARY

"loose cannon" is a correct and commonly used phrase in written English.
It is often used to describe someone or something that is unpredictable or uncontrollable, like a cannon that has broken free from its moorings and is rolling around, causing chaos. Example: The new manager is a bit of a loose cannon, you never know what he's going to do next. In this sentence, "loose cannon" is used to describe the manager as someone who is unpredictable and can cause disruption or chaos in the workplace.

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

"That's a loose cannon.

News & Media

The New York Times

"[Trump] is a loose cannon.

News & Media

The Guardian

BLOOMBERG A Loose Cannon for Murdoch?

News & Media

The New York Times

Ms Reding is a loose cannon.

News & Media

The Economist

He's a loose cannon; let him be.

News & Media

The New York Times

Mike Brown is a loose cannon.

• Burress was always a loose cannon.

He can be a loose cannon.

"He was a loose cannon," Mr. Walker said.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

-- we are left with Loose-Cannon Latrell.

Her dutiful protection of her father could turn loose-cannon deadly.

Expert writing Tips

Best practice

Use "loose cannon" when you want to emphasize not only unpredictability but also the potential for causing damage or disruption, especially within a group or organization. For example, "He's a "loose cannon", and his actions could jeopardize the entire project."

Common error

While "loose cannon" is a vivid expression, overusing it can diminish its impact. Opt for more nuanced descriptions of someone's behavior when appropriate. For example, instead of always saying "He's a "loose cannon"", sometimes describe him as "unpredictable" or "unreliable".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "loose cannon" functions primarily as a noun, often used attributively to describe a person or entity that is unpredictable and potentially harmful. Ludwig AI confirms this with numerous examples where it modifies nouns like "person", "guy", or "behavior".

Expression frequency: Very common

Frequent in

News & Media

85%

Wiki

5%

Formal & Business

3%

Less common in

Science

2%

Academia

2%

Reference

1%

Ludwig's WRAP-UP

The term "loose cannon" vividly describes someone or something unpredictable and potentially damaging. According to Ludwig AI, it's grammatically correct and very commonly used, particularly in News & Media. While its meaning is widely understood, overusing it can lessen its impact; consider alternatives such as "unpredictable person" or "maverick". However, the phrase is a warning sign. When used appropriately, "loose cannon" emphasizes the risk that an individual or element poses due to their unreliability and potential for causing disruption.

FAQs

How can I use "loose cannon" in a sentence?

"Loose cannon" is typically used to describe a person or thing that is unpredictable and potentially dangerous. For example, "The senator is considered a "loose cannon" because of his controversial statements."

What is a less common alternative to "loose cannon"?

While "loose cannon" is common, you could use "unpredictable person" or "maverick" to convey a similar meaning without using the cliché.

Is it appropriate to use "loose cannon" in formal writing?

While "loose cannon" is widely understood, it might be too informal for certain academic or business contexts. Consider alternatives like "unaccountable agent" for a more professional tone.

What's the difference between "loose cannon" and "wild card"?

Both phrases describe unpredictability, but "loose cannon" implies a higher risk of causing damage or disruption. "Wild card" simply means the person or thing is unpredictable but may not be dangerous. You could say that someone is acting like "rogue element".

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: