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
According to the document, prior to a game, Staudt asked the school's principal and athletic director whether a player was a biological male.
—
Jackson Thompson, Fox News, 22 Feb. 2025
Other mysteries include how biological cells first evolved, and what caused the dramatic onset of complex life during the Cambrian explosion 540 million years ago.
—Keith Cooper, Space.com, 21 Feb. 2025
The following year, the Barnetts moved to Canada with their three biological children, leaving Grace in an apartment in Lafayette, Indiana, the Independent reported.
—Tom Rogers, Newsweek, 20 Feb. 2025
Good American Family, created by Katie Robbins, follows a Midwestern couple who adopts and welcomes Natalia Grace into their home alongside their three biological children.
—Kalia Richardson, Rolling Stone, 19 Feb. 2025
See all Example Sentences for biological 
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Jackson Thompson, Fox News, 22 Feb. 2025
Other mysteries include how biological cells first evolved, and what caused the dramatic onset of complex life during the Cambrian explosion 540 million years ago.
—Keith Cooper, Space.com, 21 Feb. 2025
The following year, the Barnetts moved to Canada with their three biological children, leaving Grace in an apartment in Lafayette, Indiana, the Independent reported.
—Tom Rogers, Newsweek, 20 Feb. 2025
Good American Family, created by Katie Robbins, follows a Midwestern couple who adopts and welcomes Natalia Grace into their home alongside their three biological children.
—Kalia Richardson, Rolling Stone, 19 Feb. 2025
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 Feb. 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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