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
New ventures could differentiate by focusing on underserved demographics or integrating more complex biological signals like epigenetic clocks.
—
Abdo Riani, Forbes.com, 23 Apr. 2025
The measure sponsored by Rep. Peggy Scott, R-Andover, called for restricting participation in girls sports at the elementary and secondary school levels to biological females as determined by genetics and reproductive organs.
—Alex Derosier, Twin Cities, 22 Apr. 2025
The amendments needed 60% of the vote to pass — the proposal limiting girls sports participation to biological females got 31 of 53 votes (58.5%), and the other that would have created an open division for students aside from boys and girls competitions — garnered just 24.5% (13 out of 53).
—Ryan Morik, FOXNews.com, 21 Apr. 2025
However, the study authors have not declared a definitive discovery of life beyond our planet — and experts remain skeptical about the idea of the molecules representing signs of biological activity.
—Ashley Strickland, CNN Money, 19 Apr. 2025
See All Example Sentences for biological
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Abdo Riani, Forbes.com, 23 Apr. 2025
The measure sponsored by Rep. Peggy Scott, R-Andover, called for restricting participation in girls sports at the elementary and secondary school levels to biological females as determined by genetics and reproductive organs.
—Alex Derosier, Twin Cities, 22 Apr. 2025
The amendments needed 60% of the vote to pass — the proposal limiting girls sports participation to biological females got 31 of 53 votes (58.5%), and the other that would have created an open division for students aside from boys and girls competitions — garnered just 24.5% (13 out of 53).
—Ryan Morik, FOXNews.com, 21 Apr. 2025
However, the study authors have not declared a definitive discovery of life beyond our planet — and experts remain skeptical about the idea of the molecules representing signs of biological activity.
—Ashley Strickland, CNN Money, 19 Apr. 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 29 Apr. 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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