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

The vehicles were presented on September 16 at the DVD 2026 defense exhibition at Millbrook proving ground in Bedfordshire. — Atharva Gosavi, Interesting Engineering, 18 Sep. 2026

Trump is visiting a General Motors facility in Milford, home to tracks and proving grounds for new models and vehicles. — Will Weissert, Fortune, 27 July 2026

Engineers would spend months testing and calibrating prototypes in proving grounds and on real-world roads. — IEEE Spectrum, 17 June 2026

The best way to do that is by building industrial solutions—and turning the world’s factories into proving grounds for AI technologies. — Chris Turlica, Forbes.com, 18 May 2026

Word History

First Known Use

circa 1890, in the meaning defined at sense 1

Rhymes for proving ground

• aboveground
• battleground
• belowground
• paperbound
• turnaround
• ultrasound
• underground
• wraparound
• abound
• aground
• around
• astound

Kids Definition

proving ground

noun

: a place for scientific testing