proving ground
noun
1
: a place for scientific experimentation or testing (as of vehicles or weapons)
2
: a place where something is developed or tried out
Examples of proving ground in a Sentence
Recent Examples on the Web
Quarterback Jayden Maiava, who is returning for next season instead of declaring for the draft, will be USC’s biggest asset in a game that will serve as proving grounds for many Trojans.
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Haley Sawyer, Oc Register, 29 Dec. 2025
California's Mojave Desert, including Death Valley National Park, have long served as proving grounds, from the Viking Lander in the 1970s to the landing trials for NASA's Perseverance rover.
—Kenna Hughes-Castleberry, Space.com, 15 Dec. 2025
Torras says that New York City may now well serve as a progressive policy proving ground that will spread to other cities.
—Kevin Williams, CNBC, 5 Nov. 2025
Antarctica has to be the proving ground that brings that out to the highest level.
—Bryan Alexander, USA Today, 2 Oct. 2025
See All Example Sentences for proving ground
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Haley Sawyer, Oc Register, 29 Dec. 2025
California's Mojave Desert, including Death Valley National Park, have long served as proving grounds, from the Viking Lander in the 1970s to the landing trials for NASA's Perseverance rover.
—Kenna Hughes-Castleberry, Space.com, 15 Dec. 2025
Torras says that New York City may now well serve as a progressive policy proving ground that will spread to other cities.
—Kevin Williams, CNBC, 5 Nov. 2025
Antarctica has to be the proving ground that brings that out to the highest level.
—Bryan Alexander, USA Today, 2 Oct. 2025
See All Example Sentences for proving ground
Cite this Entry
“Proving ground.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proving%20ground. Accessed 8 Jan. 2026.
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