testing ground

noun

1

: a place where machines, vehicles, etc., are tested to see if they are working correctly

a testing ground for weapons

2

: a place or situation in which new ideas, methods, etc., can be tried

Her class served as a testing ground for new teaching methods.

Examples of testing ground in a Sentence

Recent Examples on the Web

Under Arpaio, Maricopa County became an early testing ground for Immigration and Customs Enforcement’s 287(g) program, which lets local police enforce federal immigration laws. — Yana Kunichoff, ProPublica, 18 Sep. 2026

Charlotte was Carvana’s third market nationwide, serving as a key testing ground where the company introduced free, next-day home car delivery in September 2014, according to the company. — Chase Jordan, Charlotte Observer, 17 Sep. 2026

This wasn’t the kind of near-autonomous hack like the one in July when OpenAI agents broke out of their testing ground and hacked AI company Hugging Face. — J.d. Capelouto, semafor.com, 16 Sep. 2026

The Yampu also serves as a testing ground for cargo-handling technology. — New Atlas, 16 Sep. 2026

Rhymes for testing ground

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