Dictionary.com
Thesaurus.com
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.
Synonyms

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

Inflected Forms

Nouns

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.

See Examples For:

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

From Science Daily Jun. 5, 2026

It took years of tinkering in the minors and a test run during the exhibition slate last season before league officials settled on an answer.

From The Wall Street Journal Apr. 1, 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

This is supposed to be an easy test run for my clairboyance.

From "Clairboyance" by Kristiana Kahakauwila

The test-run footage “is the work of a director with a vision,” says “Capturing Bigfoot” director Marq Evans.

From The Wall Street Journal Mar. 12, 2026

The county used machines as the primary vote-counting method, with a hand-count happening alongside that, acting as essentially a test-run for future elections.

From Seattle Times Feb. 29, 2024

Mr. Mayorkas said officials have had a test-run of that policy since early January, when they announced a program to “parole” migrants from Venezuela, Haiti, Cuba and Nicaragua.

From Washington Times Apr. 18, 2023

So when she’s asked to test-run a synthetic soul mate in exchange for a donation to the Berlin museum where she works, she reluctantly agrees.

From New York Times Sep. 23, 2021

A quick test-run showed that the antibody was also being regenerated.

From Star Surgeon by Nourse, Alan Edward

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training