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 ministry described its copper resources as equivalent to several large copper mines and its gold resources as exceeding those of 10 large gold mines. — Atharva Gosavi, Interesting Engineering, 1 Sep. 2026

More than 900,000 people have been displaced, while the region’s gold mines draw workers from a wide area. — The Week Uk, TheWeek, 28 Aug. 2026

The Paramount Pictures movie was an international smash, leading to a multi-film gold mine that is among the highest-grossing franchises in Hollywood history. — Erik Pedersen, Deadline, 27 Aug. 2026

Zuliani called it a gold mine for researchers and encouraged anyone in Florida to join the app and log their lizards. — Alex Harris august 25, Miami Herald, 25 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