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
Armed with knowledge of Jamie's role in the murder of his biological father, Garrett Randall (Will Patton), Beth hinted at using this information to destroy her brother.
—
Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Michael was able to find his biological mother later in life but still does not know who his biological father is.
—Marilyn La Jeunesse, Parents, 4 Nov. 2024
How The Time Change Affects Sleep Adjusting our clocks an hour forward may not seem like a huge deal, but experts have explained that the time change can affect circadian rhythm, the internal clock that helps control sleep and other biological processes.
—Sophie Okolo, Forbes, 31 Oct. 2024
Pregnancy, as the biological process by which human reproduction occurs, always requires physical sacrifice and carries the possibility of death.
—Essence, 31 Oct. 2024
See all Example Sentences for biological 
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.
Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Michael was able to find his biological mother later in life but still does not know who his biological father is.
—Marilyn La Jeunesse, Parents, 4 Nov. 2024
How The Time Change Affects Sleep Adjusting our clocks an hour forward may not seem like a huge deal, but experts have explained that the time change can affect circadian rhythm, the internal clock that helps control sleep and other biological processes.
—Sophie Okolo, Forbes, 31 Oct. 2024
Pregnancy, as the biological process by which human reproduction occurs, always requires physical sacrifice and carries the possibility of death.
—Essence, 31 Oct. 2024
See all Example Sentences for biological
Dictionary Entries Near biological
Cite this Entry
“Biological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological. Accessed 25 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share