test case
Americannoun
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a typical case whose court decision may be interpreted as a precedent for application in future similar cases.
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a legal action taken, sometimes deliberately by agreement of both parties, with a special view to determining the position of the law on some matter, as the constitutionality of a statute.
noun
Etymology
Origin of test case
First recorded in 1890–95
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.
Using melanoma drug resistance as a test case, the researchers showed that targeting these common control points could help overcome resistance across multiple genetic causes.
From Science Daily • May 21, 2026
"The fact this really was a test case for environmental policies, can we defend against rising sea levels and increased storms?"
From BBC • May 4, 2026
Cuba could be the next test case for the Vatican’s diplomatic role.
From The Wall Street Journal • Apr. 23, 2026
Her trial was a test case in multi-district litigation against major social media companies.
From Salon • Apr. 16, 2026
“What am I, Margaret, your test case against Vivian Shawcurt?”
From "Silent To The Bone" by E.L. Konigsburg
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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.