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rough diamond
/rʌf ˈdaɪəmənd/
a person or thing with great potential but lacking refinement
Despite his rough exterior, he's a rough diamond with a kind heart.
The phrase suggests that the person has good qualities hidden beneath an unpolished appearance.
informal
A person or thing that has great potential but lacks refinement or polish.
She may seem tough, but she's a rough diamond—just needs the right opportunities to shine.
This means she has untapped potential that could be developed with proper support.
Often used to describe people who are talented but socially awkward or unpolished.
Collocations
a rough diamonda person with hidden potential
Related Phrases
Pro Tip
Usage Context
Use this phrase to highlight potential in someone or something that may not be immediately apparent.
Gold Rule
Positive Connotation
This phrase is always used positively, emphasizing potential rather than flaws.
Word Origin
The phrase originates from the idea that a diamond in its raw form is unrefined but valuable, much like a person with untapped potential.
Usage Notes
This phrase is often used to describe people who have great potential but may lack social graces or polish. It can also be used for objects or ideas that are promising but not yet fully developed.
Word Breakdown
rough
unpolished, raw
adjectivediamond
something valuable and precious
nounEnglish Dictionary