proving ground

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.

The mine was restarted as a proving ground for Rio Tinto’s RIO 2.74%increase; green up pointing triangle new method of unlocking low-grade copper deposits.

From The Wall Street Journal • Jan. 15, 2026

For now, what's on the court for Baylor is a young man with a wealth of international experience and a chance to make a splash in a prime proving ground for NBA talent.

From Barron's • Jan. 4, 2026

But, the thinking went, there is a perfect proving ground conveniently circling the Earth, never more than about three days’ travel time away.

From Slate • Dec. 9, 2025

Kennedy is hopeful that the Celtic Challenge, a cross-border club competition with teams from Scotland, Ireland and Wales that launched in 2023, can provide a proving ground to rival England's PWR in time.

From BBC • Sep. 11, 2025

One proving ground only opened onto the next.

From "Becoming" by Michelle Obama