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 Lobito Corridor mega-project linking three African countries is shifting from blueprint to proving ground in the global race for critical minerals.

From Barron's • May 7, 2026

Hospitals are a proving ground for what AI can and can’t do.

From The Wall Street Journal • Jan. 9, 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

The most artistically vibrant theaters in Los Angeles and beyond are a proving ground for actors, where even stars such as Tom Hanks and Annette Bening turn up on stage.

From Los Angeles Times • Oct. 25, 2025

King Ogunwe hurried forward, as did the other commanders and the engineers, who had thrown open the doors and let the light flood out over the proving ground.

From "The Amber Spyglass" by Philip Pullman