How to Use first law in a Sentence

first law

noun
  • But an imperfect first law still moves the needle.
    — Kurt Knutsson, FOXNews.com, 27 Apr. 2026
  • The first law of thermodynamics is one of the bedrock laws of physics.
    — Jackie Appel, Popular Mechanics, 24 Feb. 2023
  • The first law to get approved often serves as a template or model.
    — Lance Eliot, Forbes.com, 20 Aug. 2025
  • There are lab tests to determine whether Newton’s first law holds.
    — Nikhil Krishnan, The New Yorker, 23 Dec. 2024
  • The first law was approved with 92 votes in favor, 10 against.
    — Nadeen Ebrahim and Salma Arafa, CNN, 28 Oct. 2024
  • The first law tells us that the total amount of energy in the world remains constant.
    — Quanta Magazine, 12 Sep. 2024
  • Konechne was among the first law enforcement officers to arrive.
    — Robb Murray, Twin Cities, 7 Nov. 2025
  • 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
  • Berry notes, for example, that her home state Oregon’s very first law was to create a tax to pay for wolf bounties.
    — Colin Dickey, The New Republic, 31 Mar. 2023
  • Last month, Tennessee enacted the country’s first law to restrict drag shows.
    — Kory Grow, Rolling Stone, 5 Apr. 2023
  • Colorado now has its first law restricting how AI chatbots can interact with kids.
    — Ashley Portillo, CBS News, 6 June 2026
  • Long Beach passed the first law in the state in June, creating staffing standards for self-checkout lanes in grocery and drug stores.
    — Victoria Le, Oc Register, 6 Mar. 2026
  • But the criminal code rewrite seems set to be the first law since 1991 to be completely overturned.
    — Ashraf Khalil, ajc, 6 Mar. 2023
  • But the criminal code rewrite is the first law to be completely overturned since 1991.
    — Ashraf Khalil, BostonGlobe.com, 21 Mar. 2023
  • The first law of ecology is everything is connected to everything else.
    — Eddie Brown, San Diego Union-Tribune, 9 Nov. 2025
  • This first law offered monthly benefits only for disabled people over age 50.
    — Tom Margenau, Dallas News, 26 Mar. 2023
  • In particular, there have been complaints that Newton’s first law is circular.
    — Stephanie Pappas, Scientific American, 5 Sep. 2023
  • This first law offered monthly benefits only for disabled people over age 50.
    — Tom Margenau, Dallas Morning News, 18 Jan. 2026
  • Researchers have made a breakthrough in applying the first law of thermodynamics to complex systems.
    — Jackie Appel, Popular Mechanics, 24 Feb. 2023
  • This looks set to extend further with the EU moving close to passing one of the world's first laws governing the use of the technologies.
    — Bankim Chandra, Forbes, 11 Dec. 2023
  • This observation broke the the first law of thermodynamics, which states that energy cannot be created or destroyed.
    — Joanna Thompson, Scientific American, 15 June 2022
  • In August, Illinois passed the country’s first law protecting child influencers.
    — Angela Yang, NBC News, 12 Sep. 2023
  • Reiter was a central figure in the first law enforcement probe of Epstein in Florida.
    — James Hill, ABC News, 9 Feb. 2026
  • Another display dives into the first laws to restrict child labor and how that impacted factory production.
    — Rhonda Richford, WWD, 16 Oct. 2024
  • In 2011, Nevada passed the first law in the world regulating (and thus permitting) self-driving cars.
    — Brad Templeton, Forbes.com, 10 Sep. 2025
  • The first witness called to take the stand was Nicholas LeFleur, the first law enforcement officer to arrive at the ranch after the shooting.
    — Muri Assunção, New York Daily News, 10 July 2024
  • Ultimately, love, like energy in the first law of thermodynamics, is not quite created or destroyed, but acquires a new form.
    — Rhoda Feng, Washington Post, 2 Apr. 2024
  • Newton’s first law of motion states that an object at rest remains at rest, and an object in motion remains in motion … unless acted on by an unbalanced [outside] force.
    — Eli Amdur, Forbes, 29 Dec. 2024
  • In 1975, Congress passed the first law that guaranteed disabled children a right to get an education.
    — Joseph Shapiro, NPR, 20 June 2024
  • The House passed the bill last night, after the Senate had done so Monday, setting it up to become the first law Trump will sign in his second term.
    — David Leonhardt, New York Times, 23 Jan. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'first law.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Last Updated: