test case
compound.compound. a legal case or a situation used to see if a new law or idea actually works. It sets an example for how similar problems will be handled in the future.
compound. a legal proceeding or experimental situation used to establish a precedent or to verify the validity of a law, theory, or process. Often used to determine how a broader set of similar cases will be resolved.
The new environmental law will face its first test case in court tomorrow.
Lawyers chose this specific lawsuit as a test case to see if the supreme court would uphold the new privacy regulations.
The pilot program in the small municipality served as a test case for national healthcare reform, providing essential data on cost-efficiency and patient outcomes before a wider rollout.
Formed from the noun test, denoting a trial or examination, and the noun case, referring to a specific instance or legal suit.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Often used in legal, political, or scientific contexts to describe a representative instance that establishes a rule.
Last updated July 22, 2026