BIOLOGIC Synonyms: 8 Similar and Opposite Words

biological

adjective

ˌbī-ə-ˈlä-ji-kəl

variants also biologic

Definition of biological

as in birth

being such by blood and not by adoption or marriage the rights of the biological father in this case

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Example Sentences

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.

Recent Examples of biological Peptides, the short chains of amino acids that help regulate biological functions, have become the latest obsession in health, fitness and longevity. — Robert Pearl, Forbes.com, 10 Aug. 2026 Fertility preservation is now an important part of cancer care for younger patients who may want biological children in the future. — Emily Cegielski, Flow Space, 10 Aug. 2026 The lawsuit does not allege that Matthews knows a biological male has used his daughter's bathroom. — Jasmine Baehr, FOXNews.com, 9 Aug. 2026 Sleep and health researchers say moving clocks twice a year disrupts the body's circadian rhythm, which regulates sleep and other biological functions. — Saman Shafiq, USA Today, 9 Aug. 2026 See All Example Sentences for biological

Recent Examples of Synonyms for biological

Adjective

When the latter has a post-birth panic about surrendering her child, Irina simply absconds with it from the private hospital facility in the middle of the night, knowing the destitute young woman is unlikely to pursue any legal or other options.

— Dennis Harvey, Variety, 30 July 2026
The infant and his mother were then transported to a hospital for post-birth medical care, with both expected to make a full recovery.

— Latoya Gayle, PEOPLE, 3 July 2026

Definition of birth

Adjective

For best results, refresh natural mulches once a year in spring or fall to keep mulch lines good and thick.

— Lauren Landers, Better Homes & Gardens, 10 Aug. 2026
By putting fashion, food, art and hospitality into the same natural flow, Fontainebleau makes that customer’s time work considerably harder.

— Kate Hardcastle, Forbes.com, 10 Aug. 2026

Definition of natural

Adjective

The Ukrainian government has said the facilities are legitimate military targets because the company supplies Russia’s frontline troops.

— Lauren Kent, CNN Money, 9 Aug. 2026
But perhaps no option is as intriguing as Trice, a legitimate wildcard who’s played roughly 50 preseason snaps and nothing else in his professional career.

— Daniel Flick, AJC.com, 8 Aug. 2026

Definition of legitimate

Browse Nearby Words

biography

biological

biopesticide

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“Biological.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/biological. Accessed 14 Aug. 2026.

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Synonyms of biological

adjective

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