gold mine

noun

: a rich source of something desired

Synonyms of gold mine

• treasure trove
• repository
• mother lode
• mine

Examples of gold mine in a Sentence

The library is a gold mine of information.

the estate sale promises to be a gold mine for antique dealers

Recent Examples on the Web

The gold mine collapse was the latest mining disaster in the mineral-rich Central African nation. — ABC News, 22 Aug. 2026

More than 100 people are dead and many remain buried after an artisanal gold mine collapses in western Central African Republic, as rescuers with limited equipment recover bodies by hand. — Jean Fernand Koena, Los Angeles Times, 20 Aug. 2026

In March, Lloyd would be joining a scientific expedition into a gold mine in South Africa to learn if this subsurface life might also be breathing oxygen. — James Dinneen, New Yorker, 13 Aug. 2026

Hollywood sees Reddit and YouTube as gold mines, Shirley Li writes. — Will Gottsegen, The Atlantic, 13 Aug. 2026

Word History

First Known Use

1605, in the meaning defined above

Rhymes for gold mine

• affine
• airline
• align
• aline
• assign
• baseline
• beamline
• benign
• bloodline
• bovine
• brucine
• byline