biological parent
noun
: one's natural parent : the woman who gave birth to a child or the man who is related by birth to a child
an adopted child who never knew her biological parents
Examples of biological parent in a Sentence
Recent Examples on the Web
Both biological parents and those with parental responsibility over children, including legal guardians and foster parents, would be eligible for the exemption.
—
Giulia Carbonaro, MSNBC Newsweek, 22 Oct. 2025
Of the first-time learners in each sibling group, roughly 75 percent learned from adults who were not their biological parent and about 25 percent learned from their parents.
—Laura Baisas, Popular Science, 9 Oct. 2025
To ascertain a player’s biological age, the height and date of birth of their biological parents is collected and their height and weight tracked every three months or so.
—Sarah Shephard, New York Times, 1 Oct. 2025
Over the last 11 years, her organization alone has a database of 600 biological parents and children who are looking for their families.
—Rafael Romo, CNN Money, 16 Sep. 2025
After a DNA test confirmed that his biological parents weren’t the people who had raised him, the young man struggled with depression.
—Sam Gillette, People.com, 8 Aug. 2025
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.
Giulia Carbonaro, MSNBC Newsweek, 22 Oct. 2025
Of the first-time learners in each sibling group, roughly 75 percent learned from adults who were not their biological parent and about 25 percent learned from their parents.
—Laura Baisas, Popular Science, 9 Oct. 2025
To ascertain a player’s biological age, the height and date of birth of their biological parents is collected and their height and weight tracked every three months or so.
—Sarah Shephard, New York Times, 1 Oct. 2025
Over the last 11 years, her organization alone has a database of 600 biological parents and children who are looking for their families.
—Rafael Romo, CNN Money, 16 Sep. 2025
After a DNA test confirmed that his biological parents weren’t the people who had raised him, the young man struggled with depression.
—Sam Gillette, People.com, 8 Aug. 2025
Cite this Entry
“Biological parent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20parent. Accessed 25 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share