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Definitions

test run

[test ruhn] / ˈtɛst ˌrʌn /




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.

Allen had a test run on her infant’s gut microbiome—the collection of bacteria and other microorganisms that inhabit the digestive tract.

From The Wall Street Journal • Mar. 3, 2026

Your early 60s is a test run for retirement, U.S.

From MarketWatch • Dec. 11, 2025

Both events were also held at SoFi Stadium and served as a test run for the World Cup’s 28-day run in Inglewood.

From Los Angeles Times • Dec. 2, 2025

Instead, it’s a test run for everything that will happen next year.

From Slate • Dec. 2, 2025

They've been mostly packed since the test run.

From "The Martian" by Andy Weir