biological

adjective

ˌbī-ə-ˈlä-ji-kəl How to pronounce biological (audio)
variants also biologic
Definition of biologicalnext
as in birth
being such by blood and not by adoption or marriage the rights of the biological father in this case

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of biological The new system will remove phosphorus from wastewater through a biological process that helps protect downstream water quality and meets stringent water quality requirements, the MWRD said. — Adam Harrington, CBS News, 8 Oct. 2026 The homochirality of biomolecules such as sugars and amino acids—the building blocks of living systems—is essential to many fundamental biological processes and the effectiveness of pharmaceutical drugs. — Encyclopedia Britannica, 7 Oct. 2026 The heavy rainfall activated the desert’s biological material, known as germplasm — seeds, bulbs and tubers but also the eggs of various invertebrates and reptiles. — Nayara Batschke, Los Angeles Times, 7 Oct. 2026 Prior to the remarks surrounding an acting hiatus, Krumholtz was most recently seen playing Zor-El, the biological father of Supergirl, in DC Studios’ film of the same name. — Matt Grobar, Deadline, 7 Oct. 2026 See All Example Sentences for biological
Recent Examples of Synonyms for biological
  1. birth
  2. natural
  3. legitimate
Adjective
  • When the latter has a post-birth panic about surrendering her child, Irina simply absconds with it from the private hospital facility in the middle of the night, knowing the destitute young woman is unlikely to pursue any legal or other options.
    — Dennis Harvey, Variety, 30 July 2026
  • The infant and his mother were then transported to a hospital for post-birth medical care, with both expected to make a full recovery.
    — Latoya Gayle, PEOPLE, 3 July 2026
Definition of birth
Adjective
  • The goal was to increase the wear to 36 hours, update it with product technology such as an oil-controlling AlgaNiacin complex leveraged from its skin care labs, and offer a more natural matte finish.
    — Noor Lobad, Footwear News, 9 Oct. 2026
  • The 1,700-meter-wide falls are undeniably impressive—after all, this is a UNESCO World Heritage Site and considered one of the seven natural wonders of the world.
    — Charukesi Ramadurai, Condé Nast Traveler, 9 Oct. 2026
Definition of natural
Adjective
  • In a defining game that many thought would expose problems masked by UCLA’s early-season success, the Bruins — though imperfect — vociferously announced their arrival to the college football world as legitimate playoff contenders.
    — Elias Esquivel, Los Angeles Times, 11 Oct. 2026
  • Enríquez argued that lasting economic recovery would be difficult without a legitimate government and that credible elections would help establish confidence among international investors.
    — Antonio María Delgado, Miami Herald, 9 Oct. 2026
Definition of legitimate

Browse Nearby Words

biography
biological
biopesticide
See all Nearby Words

Cite this Entry

“Biological.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/biological. Accessed 14 Oct. 2026.

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