as in gold mine
an abundant source
the university has long been a mother lode of athletic talent, with many alumni joining the rarefied ranks of the professionals
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Recent Examples of mother lode
Game shows have always been about making a deal, but this was the mother lode!
—
Lindsay Soll, EW.com, 25 July 2025
And in another kind of desert, the Tatacoa in Colombia, two bare-bones museums hold a mother lode of 10 million-year-old fossils for study.
—Troy Aidan Sambajon, Christian Science Monitor, 2 Mar. 2025
Considering how much Italy is growing in terms of national branding, accessing the mother lode of tourism could be a great opportunity for foreign investors interested in Italy.
—Andrea Pietrini, Forbes, 20 Feb. 2025
There are nearly 1,600 types of beans alone in this mother lode called The Exchange, each with its own story of human connection.
—Margaret Roach, New York Times, 15 Jan. 2025
See All Example Sentences for mother lode
Lindsay Soll, EW.com, 25 July 2025
And in another kind of desert, the Tatacoa in Colombia, two bare-bones museums hold a mother lode of 10 million-year-old fossils for study.
—Troy Aidan Sambajon, Christian Science Monitor, 2 Mar. 2025
Considering how much Italy is growing in terms of national branding, accessing the mother lode of tourism could be a great opportunity for foreign investors interested in Italy.
—Andrea Pietrini, Forbes, 20 Feb. 2025
There are nearly 1,600 types of beans alone in this mother lode called The Exchange, each with its own story of human connection.
—Margaret Roach, New York Times, 15 Jan. 2025
See All Example Sentences for mother lode
Recent Examples of Synonyms for mother lode
Noun
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The town attracts large numbers of laborers who work in large gold mines with muddy pools of gold deposits, narrow pits and caves.—
Justin Kabumba,
Los Angeles Times,
7 June 2026
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Chinese companies have also invested billions into a copper and gold mine and a steel plant -- bringing China's share of foreign direct investment to Serbia to 32% in 2024, up from 2% more than a decade ago.—
Misha Savic,
Arkansas Online,
25 May 2026
Noun
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For hikers willing to look beyond the famous Camino Francés or the Tour du Mont Blanc, Europe holds a treasure trove of trails that remain relatively unknown.—
Hanna Wickes,
Kansas City Star,
4 June 2026
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Conducting a study does not always unleash a treasure trove of valuable data.—
Frank Racioppi,
Forbes.com,
1 June 2026
Noun
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The office is the repository for official, business and commercial records.—
Mateo Rosiles,
USA Today,
3 June 2026
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Critics, including environmental groups, argue that no repository can be guaranteed safe over such immense timescales and that uncertainties remain regarding future geological changes and container corrosion.—
Kaif Shaikh,
Interesting Engineering,
2 June 2026
Cite this Entry
“Mother lode.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mother%20lode. Accessed 11 Jun. 2026.
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