: reproducing itself autonomously
DNA is a self-replicating molecule

Examples of self-replicating in a Sentence

Recent Examples on the Web
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.
Technosignatures of self-replicating probes in the solar system. Hannah Millington, MSNBC Newsweek, 10 Nov. 2025 These students proved that generosity, once ignited, becomes self-replicating. Matthew Scogin, Forbes.com, 10 May 2025 Security researchers have already predicted the rise of this kind of self-replicating adversarial prompt among networks of AI agents. ArsTechnica, 3 Feb. 2026 And, in a nod to nanotech panic, Season 2's big bad was a self-replicating cloud of drone arms controlled by The Human Centipede's Dieter Laser. Chris McMullen, Space.com, 2 Aug. 2025 Those are the accouterments of an outstandingly dressed Black man, a dandy, to be sure, but that gives way to André centering himself in the video–self-replicating and standing in as seemingly minor characters. Julian Randall, Essence, 25 Nov. 2024 From an engineering perspective, this process can be conceptualized as a self-replicating firmware update that spreads through a network of nodes; however, the network in this case is a population, and the firmware update is a genomic modification. Srishti Gupta, Interesting Engineering, 27 Feb. 2026 The notorious Sandworm unit within Russia's GRU military intelligence agency, for instance, has triggered unprecedented blackouts and released destructive, self-replicating code. Andy Greenberg, Wired News, 14 Apr. 2025

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of self-replicating was in 1946

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Cite this Entry

“Self-replicating.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-replicating. Accessed 10 Jul. 2026.

Medical Definition

self-replicating

adjective
: reproducing itself autonomously
DNA is a self-replicating molecule
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