biological

adjective
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

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Other Words from biological

biologically \ˌbī-ə-ˈlä-ji-k(ə-)lē \ adverb

Synonyms & Antonyms for biological

Synonyms

birth, consanguineous, natural

Antonyms

adopted, adoptive, nonbiological

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Examples of biological in a Sentence

the rights of the biological father in this case

Recent Examples on the Web

For Plants, who was diagnosed with and treated for with ovarian cancer, that was her last shot at having a biological child. Randi Kaye And Michael Nedelman, CNN, "'Our future children': Families speak after loss of frozen embryos in tank failure," 12 May 2018 The couple’s younger daughter Kristen (Sosie Bacon), their only biological child, is a junior in high school and in a hurry to grow up. San Francisco Chronicle, "Screwed-up family matters drive HBO’s ‘Here and Now’," 5 Feb. 2018 Fox 11 reported that the child was given to his biological mother. Elizabeth Zwirz, Fox News, "California dad recorded using child ‘like a baseball bat’ in confrontation with woman, police say," 13 July 2018 Season 2 was full of themes related to a baby’s need to be near its biological mother. Rena Gross, Billboard, "'The Handmaid's Tale' Season 2 Finale: Here's What Happened," 11 July 2018 The woman, who police believe is the boy’s biological mother, returned to Union Station on Thursday afternoon and officers took her into custody, an LAPD spokesperson said. Alejandra Reyes-velarde, latimes.com, "Police arrest woman in connection with boy abandoned at L.A.'s Union Station," 6 July 2018 Known for its vast size and biological diversity, the park is often considered as one of the Seven Natural Wonders of the World. USA TODAY, "National parks: Tour five parks in 360 degrees," 19 June 2018 Thanks to careful management, Haven Hill Natural Area remains the natural retreat Edsel Ford once envisioned and still boasts incredible biological diversity. Michigan Wildlife Council, Detroit Free Press, "History and nature meet at Haven Hill in metro Detroit," 18 Apr. 2018 Planting the seed: Seed saving is an important practice for preserving biological diversity and ecological resilience. Jeff Piorkowski/special To Cleveland.com, cleveland.com, "Celebrating the silver screen at the CH-UH Libraries; Shaker Heights' Leiken's final mayoral address; more: Press Run," 9 Mar. 2018

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.

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First Known Use of biological

1818, in the meaning defined at sense 1

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Phrases Related to biological

birth/biological parent

Statistics for biological

Last Updated

4 Oct 2018

Look-up Popularity

Time Traveler for biological

The first known use of biological was in 1818

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More Definitions for biological

biological

adjective

English Language Learners Definition of biological

: of or relating to biology or to life and living things

: related through birth

biological

adjective
bi·o·log·i·cal | \ˌbī-ə-ˈlä-ji-kəl\

Kids Definition of biological

1 : of or relating to biology or to life and living things biological activity

2 : related by birth

biological

adjective
variants: also biologic

Medical Definition of biological 

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

Other Words from biological

biologically \-i-k(ə-)lē \ adverb

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Comments on biological

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