BIOLOGICAL 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 White has made clear that his declaration is intended to pressure the WNBA into explicitly stating whether biological males can compete in the league. — Jackson Thompson , Patricia Babcock McGraw Outkick, FOXNews.com, 29 Aug. 2026 Instead of manually programming how each leg should move, the system studies biological movement data and uses it to learn the underlying coordination patterns needed for stable locomotion. — Jijo Malayil, Interesting Engineering, 28 Aug. 2026 Yet every one of those capabilities depends on biological systems responding to the condition of the person carrying them. — Julian Hayes Ii, Forbes.com, 28 Aug. 2026 The film centers on a near-future in which wealth can buy biological youth, pitting an aging elite that hoards money and power against a younger generation locked out of both. — Naman Ramachandran, Variety, 27 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

The instruments can move with greater flexibility than the human hand, while the system filters out natural hand tremors that could affect delicate movements.

— Atharva Gosavi, Interesting Engineering, 30 Aug. 2026
If there isn’t an official audiobook, the PocketBook Q’s natural-sounding Text-to-Speech function will read any text file aloud for you.

— Benny Har-Even, Forbes.com, 30 Aug. 2026

Definition of natural

Adjective

Perhaps his greatest legacy at UCF is Dean was coaching in 1991 when UCF finally moved out of its tiny dank gymnasium and into its first legitimate basketball arena — a sparkling, by UCF standards, 5,100-seat facility.

— Mike Bianchi, The Orlando Sentinel, 28 Aug. 2026
Although some agencies said the officers’ Flock searches appeared to be connected to legitimate narcotics investigations or training exercises, many took swift disciplinary action.

— Kenny Jacoby, USA Today, 28 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 2 Sep. 2026.

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Synonyms of biological

adjective

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