biological

adjective

bi·​o·​log·​i·​cal ˌbī-ə-ˈlä-ji-kəl How to pronounce biological (audio)
variants or less commonly biologic
1
: of or relating to biology or to life and living processes
2
: used in or produced by applied biology
3
: connected by direct genetic relationship rather than by adoption or marriage
her biological father
biologically adverb

Examples of biological in a Sentence

the rights of the biological father in this case
Recent Examples on the Web
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.
Trump cites advantage of experience in second term Trump told Fox News his biggest advantage to hitting the ground running in his second term – changes in border and energy policies, blocking biological men from playing in women’s sports – is his experience from his first term. Joey Garrison, USA TODAY, 9 Feb. 2025 On its face, Trump’s order to limit participation in K-12 and university girls’ sports to biological girls is in line with our own previous positions. New York Daily News Editorial Board, New York Daily News, 9 Feb. 2025 Gary Stix, senior editor of mind and brain topics at Scientific American, edits and reports on emerging advances that have propelled brain science to the forefront of the biological sciences. Christiane Gelitz, Scientific American, 7 Feb. 2025 Of the 2,128 people polled, 79% said biological males who identify as women should not be allowed to participate in women's sports. Jackson Thompson, Fox News, 7 Feb. 2025 See all Example Sentences for biological 

Word History

First Known Use

1818, in the meaning defined at sense 1

Time Traveler
The first known use of biological was in 1818

Dictionary Entries Near biological

Cite this Entry

“Biological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological. Accessed 14 Feb. 2025.

Kids Definition

biological

adjective
bi·​o·​log·​i·​cal
ˌbī-ə-ˈläj-i-kəl
variants also biologic
-ˈläj-ik
1
: of or relating to biology or to life and living things
2
: connected by a relationship involving heredity rather than by one involving adoption or marriage
his biological father
biologically
-ˈläj-i-k(ə-)lē
adverb

Medical Definition

biological

adjective
variants also biologic
1
: of or relating to biology or to life and living processes
2
: used in or produced by applied biology
3
: related by direct genetic relationship rather than by adoption or marriage
an adoptee who searched for years for her biological parents
biologically adverb

More from Merriam-Webster on biological

Last Updated: - Updated example sentences
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