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
Family building in the LGBTQ+ community has become popular in recent years, with more families aspiring to have their own biological children.
—
Lauryn Jiles, Miami Herald, 7 June 2024
Prostate cancer in Black men may have biological characteristics associated with more aggressive disease.
—Taayoo Murray, Essence, 7 June 2024
At a biological level, these proclivities relate to differences in hormones including cortisol, dopamine, and oxytocin that influence one’s stress levels, eagerness for new experiences, and emotional bonds.
—Bridget Alex, Discover Magazine, 6 June 2024
The Barnetts alleged Natalia tried to harm them and their biological children.
—Stephanie Wenger, Peoplemag, 3 June 2024
See all Example Sentences for biological 
Lauryn Jiles, Miami Herald, 7 June 2024
Prostate cancer in Black men may have biological characteristics associated with more aggressive disease.
—Taayoo Murray, Essence, 7 June 2024
At a biological level, these proclivities relate to differences in hormones including cortisol, dopamine, and oxytocin that influence one’s stress levels, eagerness for new experiences, and emotional bonds.
—Bridget Alex, Discover Magazine, 6 June 2024
The Barnetts alleged Natalia tried to harm them and their biological children.
—Stephanie Wenger, Peoplemag, 3 June 2024
See all Example Sentences for biological
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.
Dictionary Entries Near biological
Cite this Entry
“Biological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological. Accessed 15 Jun. 2024.
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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