biological

adjective

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bi·o·log·i·cal | \ ˌbī-ə-ˈlä-ji-kəl

variants: or less commonly biologic \ ˌbī-ə-ˈlä-jik

Definition of biological

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

Other Words from biological Synonyms & Antonyms More Example Sentences Learn More About biological

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Synonyms & Antonyms for biological

Synonyms

Antonyms

Examples of biological in a Sentence

the rights of the biological father in this case

Recent Examples on the Web His daughter, Tylin Rosser, 62, grew up not knowing the father who raised her had not been her biological father. — Greg Garrison | Ggarrison@al.com, al, 4 July 2021 What is complicated is that Fajardo and her partner, who declined to be interviewed for this story, are not married, and Josseph has a different biological father. — Jasmine Aguilera, Time, 2 July 2021 For a while, Kauffman found work with his biological father, Tony Kauffman, who ran a freight-hauling business. — Los Angeles Times, 27 June 2021 But there was a happy ending with her biological father's acceptance years later. — Sahar Akbarzai, CNN, 26 June 2021 Rivera's roommate, Theresa Balboa, was the girlfriend of Samuel's biological father. — Steve Helling, PEOPLE.com, 23 June 2021 First, Dougherty’s sister, Lea Yribe, offered to donate her eggs, and Eledge would be the biological father. — NBC News, 20 June 2021 For the first four years of a child’s life, another man could come in and claim to be the biological father. — Dallas News, 20 June 2021 While en route, officers learned the suspect, the child’s biological father, had fled the residence in a dark-colored van, taking the 3-year-old victim and his 6-year-old brother with him, officials said. — oregonlive, 16 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biological.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.