biological warfare

noun

: warfare involving the use of biological weapons
also : warfare involving the use of herbicides

Examples of biological warfare in a Sentence

Recent Examples on the Web That revelation, in turn, suggested that the couple had engaged in several violations of security rules at the laboratory, portions of which are designed for work on the world’s most lethal microbes, including ones that could be used for biological warfare. Ian Austen, New York Times, 29 Feb. 2024 Many in China also perceive the United States as a potential biological warfare threat. Yanzhong Huang, Foreign Affairs, 5 Mar. 2020 During the Korean War, CDC official Alexander Langmuir observed that the Chinese were mounting a propaganda campaign accusing the United States of biological warfare. Amy Lauren Fairchild, Foreign Affairs, 10 Mar. 2020 Many people in China also perceive the United States as a potential biological warfare threat. Yanzhong Huang, Foreign Affairs, 5 Mar. 2020 This creative docudrama examines the life and aftermath following the mysterious death of Frank Olson, a biological warfare scientist who worked for the CIA. Melissa Sherrard, EW.com, 16 Sep. 2023 Russia’s initial allegation of secret American biological warfare labs in Ukraine, made soon after its Feb. 24 invasion of its smaller neighbor, has been disputed by independent scientists, Ukrainian leaders and officials at the White House and Pentagon. Edith M. Lederer, ajc, 2 Nov. 2022 Army Dispersion Tests Throughout the nuclear arms race of the 1950s and 60s, the US military feared an enemy attack using biological warfare, according to online government records. Justin Gamble, CNN, 15 Oct. 2023 History of biological warfare: catapults to capsomers. Rebecca Kreston, Discover Magazine, 11 June 2013

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biological warfare.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of biological warfare was in 1921

Dictionary Entries Near biological warfare

Cite this Entry

“Biological warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20warfare. Accessed 18 Apr. 2024.

Kids Definition

biological warfare

noun
: warfare involving the use of biological weapons

Medical Definition

biological warfare

noun
biological war·​fare -ˈwȯr-ˌfa(ə)r, -ˌfe(ə)r How to pronounce biological warfare (audio)
: warfare involving the use of biological weapons
also : warfare involving the use of herbicides

More from Merriam-Webster on biological warfare

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