biological weapon


Definition of biological weapon

: a harmful biological agent (such as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale

Examples of biological weapon in a Sentence

Recent Examples on the Web Knoesen’s group explored the possibility of using a biological weapon to infect and kill Black people, including the poisoning of water reservoirs supplying Black communities, according to the prosecution. Mogomotsi Magome, ajc, 6 June 2022 Supplies of the vaccines are in the Strategic National Stockpile (SNS) to protect against public health emergencies, such as use of smallpox as a biological weapon, according to the FDA. Shiv Sudhakar, Fox News, 19 May 2022 But some experts say that the research did not suffice to answer important questions about whether using AI software to find toxins could practically lead to the development of an actual biological weapon. Rebecca Sohn, Scientific American, 21 Apr. 2022 The findings confirmed the virus was not created as a biological weapon. Chiara Vercellone, USA TODAY, 6 Dec. 2021 In its original form, the theory held that the Chinese deliberately created the virus as a biological weapon. Michael Hiltzik, Los Angeles Times, 15 Nov. 2021 Following Magnetic Rose was the entirely different and eerily upbeat Stink Bomb, which dealt with a salaryman in a laboratory inadvertently letting loose a devastating biological weapon. Ollie Barder, Forbes, 21 June 2021 In its initial incarnation, the hypothesis held that the virus was developed by the Beijing government as a biological weapon. Michael Hiltzik, Los Angeles Times, 1 Nov. 2021 Analysts also broadly agreed that the virus was not developed as a biological weapon or genetically engineered, and said that Chinese officials were not aware of the virus before the pandemic began. Olivia Gazis, CBS News, 29 Oct. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biological weapon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of biological weapon

1918, in the meaning defined above

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Time Traveler for biological weapon

Time Traveler

The first known use of biological weapon was in 1918

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Dictionary Entries Near biological weapon

biological warfare

biological weapon

biological zone

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Statistics for biological weapon

Last Updated

15 Jun 2022

Cite this Entry

“Biological weapon.” Dictionary, Merriam-Webster, Accessed 29 Jun. 2022.

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More Definitions for biological weapon

biological weapon

biological weap·​on | \ -ˈwep-ən How to pronounce biological weapon (audio) \

Medical Definition of biological weapon

: a harmful biological agent (as a pathogenic microorganism or a neurotoxin) used as a weapon to cause death or disease usually on a large scale

More from Merriam-Webster on biological weapon Encyclopedia article about biological weapon


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