test run
noun
an act of trying out a process, piece of equipment, program, etc., to see if it works properly.
test run
1 American
[test ruhn]
/ ˈtɛst ˌrʌn /
noun
-
test runs
plural
test-run
2
American
[test ruhn]
/ ˈtɛst ˌrʌn /
verb (used with object)
test-ran,
test-running
verb (used without object)
test-ran,
test-running
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 sense, there was a kind of test run of whether the country would pull together in a time of crisis six years ago, when the Covid-19 outbreak struck.
From The Wall Street Journal ● Sep. 8, 2026
It is thought this was a test run for something significantly bigger.
From BBC ● Sep. 4, 2026
Officials hoped the train would be running by the start of the World Cup, providing a crucial test run ahead of the 2028 Olympics, but it was not ready in time.
From Los Angeles Times ● Jul. 15, 2026
In a test run that excluded magnetic fields entirely, the protostars moved farther apart instead of closer together.
From Science Daily ● Jun. 5, 2026
Without anyone giving it a test run ahead of time?
From "The First State of Being" by Erin Entrada Kelly
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
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
But China has test-run a different technology that will be deployed at the Games: armpit thermometers that stick like Band-Aids and transmit the person’s temperature.
From New York Times ● Aug. 9, 2021
“We haven’t had the luxury of the OTAs to test-run certain things, so we’ve got to be really judicious with how we use that time at training camp,” Roman said.
From Seattle Times ● Jun. 23, 2020
A quick test-run showed that the antibody was also being regenerated.
From Star Surgeon by Alan Edward Nourse
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
