A Diamond in the Rough


🗓️ Idiom: A Diamond in the Rough (n)


💬 Meaning

  • Someone or something with great potential, but not fully developed or polished yet.
  • It means a person, idea, or product that could be excellent with a bit of improvement.

🧠 Example Sentences

  • The prototype wasn’t perfect, but it was a diamond in the rough.
  • He’s a diamond in the rough. He just needs a little training to shine.
  • This new platform is a diamond in the rough. With more support, it could lead the market.

🏛️ Origin

This idiom compares a rough, uncut diamond to something valuable that isn’t fully refined yet. It has been used since the 1600s and is now common in business and innovation to describe early talent or ideas with potential.


📝 Practice Exercises

1. Fill in the blank:

The new intern doesn’t have much experience, but she’s clearly __________.

Answer

a diamond in the rough

2. Choose the correct meaning of “a diamond in the rough”:

A) A complete failure
B) Something valuable but undeveloped
C) A common mistake
D) A finished product

Answer

B) Something valuable but undeveloped

3. Rewrite the sentence using the idiom:

“This idea is still rough, but it has strong potential.” → Change the sentence using: a diamond in the rough

Answer

This idea is a diamond in the rough.


ℹ️ Other Useful Pages

📚 Learning Resources
👉 Innovation Idioms
👉 Business English Idioms List

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