How to Use biological in a Sentence

biological

adjective
  • Austin knew biological parents didn’t have to be a child’s guardian.
    — Karen Garciastaff Writer, Los Angeles Times, 20 Apr. 2022
  • Gold, which is inert and safe for biological systems, is at the heart of this method.
    — Aamir Khollam, Interesting Engineering, 9 Oct. 2025
  • At the time of her biological dad's death, Talia was 9 months old.
    — Caroline Blair, People.com, 28 Aug. 2025
  • And that single biological fact has rewritten the rest of his life.
    — Hanna Wickes, Miami Herald, 28 Apr. 2026
  • For decades we were led to believe that the father who raised us was our biological father.
    — Amy Dickinson, Detroit Free Press, 25 Aug. 2023
  • There are a couple of biological facts that should be mentioned.
    — Jack G. Mell, Outdoor Life, 2 July 2026
  • This is a person that was closer to me than my own biological father.
    — Brian Davids, The Hollywood Reporter, 13 Sep. 2023
  • McEwen called this the biological tax on a life that is never allowed to slow down.
    — Big Think, 1 May 2026
  • This is hope, in biological form.
    — David George Haskell, Big Think, 27 Mar. 2026
  • Many girls even change in their cars before games to avoid sharing locker rooms with biological males.
    — Jemma Stephenson, San Diego Union-Tribune, 8 May 2026
  • Lawns are biological deserts where few species can live, but those that can survive there often reach high numbers.
    — Steven Sullivan, The Conversation, 29 Sep. 2025
  • Last year, Adler set out again to find out more about his biological family.
    — Adam England, PEOPLE, 28 May 2026
  • Eight weeks is too brief to fully capture biological changes such as telomere growth.
    — New Atlas, 22 Oct. 2025
  • Scarlett’s biological dad was murdered, and this is a second painful loss in her young life.
    — Carol Guzy, Miami Herald, 1 Jan. 2026
  • Many researchers point to a biological ‘sweet spot’ between too little and too much light.
    — Lynne Peeples, Scientific American, 26 Mar. 2026
  • Her new book takes a look at how the world would change in the period after a large-scale biological attack.
    — Michael Schaub, Oc Register, 25 May 2026
  • Some assign you a biological age based on your test results, and all of them cost many hundreds of dollars.
    — Adam Clark Estes, Vox, 26 June 2025
  • Her biological father was not present in her life growing up, and the two only met once prior to his death.
    — Jordana Comiter, People.com, 10 Sep. 2025
  • Their biological father died when the bride was 9 and her sister was just 2.
    — Ashley Vega, PEOPLE, 19 Oct. 2025
  • And research has found that people who walk at a brisker pace tend to show signs of slower biological aging.
    — Lucia Aronica, CNBC, 10 June 2026
  • To put it simply, the side effects are a biological sign that the vaccine is working.
    — al, 15 Dec. 2021
  • When this son was 2 years old, his biological father died in a car accident.
    — Ask Amy, cleveland, 8 Nov. 2022
  • Thirty-eight years ago, the biological father of my son wrote a letter to my father.
    — Miriam Toews september 3, Literary Hub, 3 Sep. 2025
  • There are biological age clocks that anyone can order online and try for themselves at home.
    — Dominique Mosbergen, Time, 25 Sep. 2025
  • Harwin tells his biological boys, Jace and Lucerys, to join the fight.
    — Omar L. Gallaga, Washington Post, 26 Sep. 2022
  • The stuff disrupts a key biological process necessary to keep plants alive.
    — Jeff Lowenfels, Anchorage Daily News, 27 Apr. 2023
  • Take, for instance, a mother with a biological child, who gets a divorce and then marries a new spouse.
    — Michael Waters, The Atlantic, 17 May 2022
  • There is no biological need for caffeine.
    — Dr. Mark Corkins, Boston Herald, 14 Sep. 2025
  • The findings home in on a biological limit that even the world’s fittest athletes seem unable to break.
    — Jason Dinh, Scientific American, 20 Oct. 2025
  • Health and medicine is more than just biological – societal forces can get under your skin and cause illness.
    — Jennifer Singh, The Conversation, 8 Jan. 2026

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

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