🗓️ Idiom: A Loose Cannon (n)
💬 Meaning
- A person who acts unpredictably and may cause problems
- Someone who cannot be controlled and might hurt the group or team
🧠 Example Sentences
- Be careful with Jason in the meeting—he can be a loose cannon when discussing sensitive topics.
- The new sales rep is a bit of a loose cannon and doesn’t always follow the normal rules.
- A loose cannon on a team can damage trust and communication.
🏛️ Origin
The idiom comes from naval warfare. On old ships, cannons were tied down. If one came loose, it could roll dangerously across the deck, damaging the ship and injuring the crew. The phrase now describes people whose unpredictable behavior can cause trouble.
📝 Practice Exercises
1. Fill in the blank:
We need to talk to him—he’s starting to act like ____________________ during meetings.
Answer
a loose cannon
2. Choose the correct meaning:
What is “a loose cannon”?
a) A quiet and careful worker
b) A person who is unpredictable and causes problems
c) A leader who takes charge
Answer
b) A person who is unpredictable and causes problems
3. Change the sentence using “a loose cannon”:
“He often acts without thinking and makes the team look bad.”
Answer
He’s a loose cannon and makes the team look bad.
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