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
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
In Africa, only Nigeria produces more oil than Angola, according to OPEC, while Kimberley Process data ranks it as the world's seventh-largest rough diamond producer.
From Reuters ● Aug. 18, 2022
"And so you were at Lady Whiston's last night," the major said, not in truth knowing what observation to make to this rough diamond.
From A History of Pendennis, Volume 1 His fortunes and misfortunes, his friends and his greatest enemy by Thackeray, William Makepeace
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.
