test run

¹ American

[test ruhn] / ˈtɛst ˌrʌn /

noun

plural

test runs

an act of trying out a process, piece of equipment, program, etc., to see if it works properly.

test-run ² American

[test ruhn] / ˈtɛst ˌrʌn /

verb (used with object)

test-ran, test-running

to try out (a process, pieces of equipment, etc.) to see if it works; do a test run on.

verb (used without object)

test-ran, test-running

to undergo a test run or perform in a specified way in a test run.

Other Word Forms

test-runner noun

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.

Costco will let its gold-star members test run becoming an executive member, however.

From MarketWatch • Mar. 13, 2026

With that date fast approaching, the administration has telegraphed that Cook’s case is a test run for an even more explosive confrontation with Powell.

From Slate • Jan. 12, 2026

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

We were on the Xcel for its “shakedown cruise,” a final test run new ships often go through before making their public debuts.

From The Wall Street Journal • Nov. 23, 2025

If it works for someone as friendly as him, I might as well give it a test run.

From "Better Nate Than Ever" by Tim Federle

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023