first law
noun
: the most important principle
He teaches his students that balance is the first law of architecture.
Examples of first law in a Sentence
Recent Examples on the Web
The first law of our people is respect, something that is sorely lacking in the ways of the people around us.
—
Richard B. Williams, Denver Post, 10 Sep. 2025
In 2011, Nevada passed the first law in the world regulating (and thus permitting) self-driving cars.
—Brad Templeton, Forbes.com, 10 Sep. 2025
Passed in the Senate in June, this bill, if approved, would be among the first laws in the nation to regulate AI companions with safety standards.
—Lia Russell, Sacbee.com, 29 Aug. 2025
In 2016, North Carolina passed the nation’s first law barring transgender people from using bathrooms aligned with their identities.
—Kevin Rector, Los Angeles Times, 26 June 2025
See All Example Sentences for first law
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Richard B. Williams, Denver Post, 10 Sep. 2025
In 2011, Nevada passed the first law in the world regulating (and thus permitting) self-driving cars.
—Brad Templeton, Forbes.com, 10 Sep. 2025
Passed in the Senate in June, this bill, if approved, would be among the first laws in the nation to regulate AI companions with safety standards.
—Lia Russell, Sacbee.com, 29 Aug. 2025
In 2016, North Carolina passed the nation’s first law barring transgender people from using bathrooms aligned with their identities.
—Kevin Rector, Los Angeles Times, 26 June 2025
See All Example Sentences for first law
Cite this Entry
“First law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20law. Accessed 29 Sep. 2025.
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