biological parent

NOUN

birth mother or father

Synonyms

WEAK

biological father biological mother birth father birth mother birth parent father mother natural parent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

New documents in a lawsuit against Priscilla Presley’s son include claims that Elvis Presley’s granddaughter Riley Keough is the biological parent of John Travolta and the late Kelly Preston’s youngest child, Benjamin.

From Los Angeles Times • Dec. 18, 2025

“Knowing that you were essentially sold by a biological parent for a spring break or to pay off student debt is not a fun feeling,” Laura High told me.

From Slate • Jul. 16, 2025

But despite his current pessimism about the viability of becoming a biological parent, Kari says he "wouldn't write it off".

From BBC • Nov. 2, 2024

His mother had since married a factory worker, James Robertson, whom Robbie Robertson at first believed was his biological parent.

From Seattle Times • Aug. 9, 2023

It is however possible for an adult who is not the biological parent to obtain parenting rights through a special adoption procedure.

From Reuters • Jun. 22, 2023