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bright-line
adjective
: providing an unambiguous criterion or guideline especially in law
a bright-line distinction
Synonyms
Examples of bright-line in a Sentence
there is no bright-line rule governing the issue
Recent Examples on the Web
None of these cases, for instance, is likely to result in the full restoration of the bright-line rules established with the Interstate Commerce Act of 1887, rules based in part on the lessons of our battles against authoritarian monarchy in the seventeenth century.
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Andrew Cockburn, Harper's Magazine, 20 Aug. 2024
Baron’s argument is, at first, the least problematic; the killing of his cousin is a bright-line injustice.
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Jesse Green, New York Times, 27 Feb. 2024
And there’s one bright-line issue that many Northern Virginia Democrats said is fundamental to them: full Virginia funding for the Metro transit system.
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Laura Vozzella, Washington Post, 14 Jan. 2024
Because there are no bright-line rules for arguing fair use, Anthropic would need to present a strong case for its situation — likely involving the development of AI and the need for innovation.
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Tatjana Paterno, The Hollywood Reporter, 3 Sep. 2019
Because some amount of discretion is needed in adjudicating these disputes, the absence of bright-line rules is a positive development.
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Robert Litan, Foreign Affairs, 16 Mar. 2016
The route to success in arguing a case before Justice O’Connor lay not in invoking legal doctrine or bright-line rules, but in marshaling the facts to demonstrate a decision’s potential impact.
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Linda Greenhouse, New York Times, 1 Dec. 2023
The new draft guidelines are not bright-line laws or regulations, and US antitrust enforcement will continue to reflect longstanding legal precedents, senior administration officials emphasized Tuesday in a call with reporters.
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Brian Fung, CNN, 19 July 2023
Whatever its justification, the explicit reference requirement is not the kind of straightforward, bright-line test that the Fiat judgment and Kokott’s Amazon opinion present it to be.
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Ryan Finley, Forbes, 17 July 2023
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Word History
First Known Use
1982, in the meaning defined above
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Dictionary Entries Near bright-line
Cite this Entry
“Bright-line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bright-line. Accessed 23 Feb. 2025.
Legal Definition
bright line
noun
: a clear distinction that resolves a question or matter in dispute
bright-line
adjective
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