rough diamond
Britishnoun
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an unpolished diamond
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an intrinsically trustworthy or good person with uncouth manners or dress
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It said "rough diamond trading conditions are expected to remain challenging in the near-term" with production decreasing and several producers closing mines.
From Barron's ● Jul. 13, 2026
Klopp and his coaching staff have undoubtedly polished a player who was a rough diamond when he signed for £64m from Benfica in 2022.
From BBC ● Feb. 17, 2024
De Beers, the world's largest rough diamond producer by value, said in a recent report that while global diamond jewellery demand would hold above pre-pandemic levels in 2023, the economic landscape was difficult.
From Reuters ● Oct. 30, 2023
Becker signalled he would focus on the mental side of the game and described Rune as “a rough diamond that needs polishing.”
From Washington Times ● Oct. 19, 2023
Having considered the theory of the brilliant we may now take up a study of the methods by which the exceedingly hard rough diamond is shaped and polished.
From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
