Jump To:

• test run
  test run

  noun

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

  verb (used with object)

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

test run

¹ American  

[test ruhn] / ˈtɛst ˌrʌn /

noun

test runs plural

1. 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

1. 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

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

Other Word Forms

Derived Forms

• test-runner
  noun

Inflected Forms

Nouns

• test runs
  plural

Example Sentences

In a test run that excluded magnetic fields entirely, the protostars moved farther apart instead of closer together.

From Science Daily • Jun. 5, 2026

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

From MarketWatch • Mar. 13, 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

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

From Slate • Dec. 2, 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

Related Words

• effort
• examination
• experiment
• investigation
• probation
• struggle
• testing