bioweapon

noun

bio·​weap·​on ˈbī-ō-ˌwe-pən How to pronounce bioweapon (audio)

Examples of bioweapon in a Sentence

Recent Examples on the Web
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Unlike nuclear weapons, chemical weapons, or naturally occurring bioweapons, mirror life does not yet exist. Liyam Chitayat, Foreign Affairs, 28 Aug. 2025 Unit 731 is estimated to have killed around 3,000 people, while bioweapons developed by other branches of the program are believed to have killed far more. Anthony Kuhn, NPR, 14 Aug. 2025 Synthetics, cyborgs, and bioweapons like the Xenomorphs exist, and Kavalier employs a few synths himself, like Kirsh. Alan Sepinwall, Rolling Stone, 12 Aug. 2025 Vaccine and preparedness experts said the decision could be disastrous for the United States, rendering another Operation Warp Speed impossible in case of threat from disease or bioweapons. Jen Christensen, CNN Money, 8 Aug. 2025 See All Example Sentences for bioweapon

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of bioweapon was in 1962

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Cite this Entry

“Bioweapon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioweapon. Accessed 11 Sep. 2025.

Medical Definition

bioweapon

noun
bio·​weap·​on ˈbī-ō-ˌwep-ən How to pronounce bioweapon (audio)
Last Updated: - Updated example sentences
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