biological
adjective
bi·o·log·i·cal
ˌbī-ə-ˈlä-ji-kəl 
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
Examples of biological in a Sentence
the rights of the biological father in this case
Recent Examples on the Web
The neuroscience of sleep has now revealed sleep as a biological imperative.
—
Expert Panel®, Forbes.com, 10 June 2025
The company said 31 countries have contributed to the research plan and that the projects will focus on biological, life and material sciences, as well as Earth observation.
—Matthew Glasser, ABC News, 9 June 2025
The state also failed to pass a bill that would have barred biological males from girls' and women's sports in early March after Democrats in the state's legislature voted against it.
—Jackson Thompson, FOXNews.com, 8 June 2025
The work taps into an expanding debate about how biological evolution fits within the normal framework of science.
—Philip Ball, Wired News, 8 June 2025
See All Example Sentences for biological
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Expert Panel®, Forbes.com, 10 June 2025
The company said 31 countries have contributed to the research plan and that the projects will focus on biological, life and material sciences, as well as Earth observation.
—Matthew Glasser, ABC News, 9 June 2025
The state also failed to pass a bill that would have barred biological males from girls' and women's sports in early March after Democrats in the state's legislature voted against it.
—Jackson Thompson, FOXNews.com, 8 June 2025
The work taps into an expanding debate about how biological evolution fits within the normal framework of science.
—Philip Ball, Wired News, 8 June 2025
See All Example Sentences for biological
Cite this Entry
“Biological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological. Accessed 18 Jun. 2025.
Copy CitationMedical 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
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