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Definitions

test run

[test ruhn] / ˈtɛst ˌrʌn /
NOUN
dry run
Synonyms
STRONGEST
dress rehearsal tryout
WEAK
bench test combat rehearsal dummy run kriegspiel maneuver maneuvers practical test practice exercise practice run rehearsal road test run through test performance trial trial run war game
NOUN
trial
Synonyms
STRONGEST
effort examination experiment investigation probation struggle testing
STRONG
analysis assay attempt audition check crack endeavor essay experience experimentation fling go hassle lick proof shakedown shot showcase stab striving try tryout undertaking venture whack workout
WEAK
R and D dry run research and development trial and error trial run

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

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

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

From MarketWatch • Dec. 11, 2025

The races will also serve as an important test run for a couple of cable news networks in transition.

From Los Angeles Times • Nov. 4, 2025

When the kidding was done, however, the men gave the motor sledge a test run.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong