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
But a Adrian Newey-designed rocket ship from Williams saw him overcome a development phase Schumacher at Ferrari and a rough diamond debutant in team-mate Jacques Villeneuve.
From BBC ● Dec. 8, 2025
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
Two stones cut from the Cullinan Diamond — the largest rough diamond ever found — will feature prominently in the coronation, fueling controversy the royal family would rather avoid.
From Seattle Times ● May 5, 2023
His friends said that Hector was a rough diamond.
From The New Gulliver and Other Stories by Barry Pain
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.
