germ warfare

noun

: the use of harmful microorganisms (such as bacteria) as weapons in war

Examples of germ warfare in a Sentence

Recent Examples on the Web
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These germ warfare programs raised fears that a rogue country or terrorist cell could start an epidemic that would kill millions of people. Meredith Wolf Schizer, Newsweek, 19 Feb. 2025 World Mosquito Program View 1 Images In a completely different kind of germ warfare, researchers have tested out a way to drop mosquitoes infected with disease-fighting bacteria over populations prone to outbreaks of dengue fever. Michael Franco, New Atlas, 1 Aug. 2024 Imperial Japan killed as many as 30 million civilians in East Asia, while subjecting many thousands to torturous medical experiments and germ warfare. Eric Levitz, Vox, 3 June 2024 There was sufficient evidence from eyewitnesses and accomplices to lend credibility to charges of germ warfare. TIME, 4 May 2024 Claims included wild stories about secret U.S. germ warfare labs or Nazi conspiracies or that Ukrainian refugees were committing crimes and taking jobs from people who had welcomed them. David Klepper, The Christian Science Monitor, 1 Mar. 2024 The country had been on the receiving end of germ warfare, on the part of the Imperial Japanese Army’s biowarfare Unit 731 during World War II. Yanzhong Huang, Foreign Affairs, 5 Mar. 2020 Emergent BioSolutions, which Mr. El-Hibri took public in 2006, bought up competitors in order to sell treatments for smallpox, botulism and other potential agents of germ warfare, becoming a prime federal contractor for biodefense vaccines and treatments. Emily Langer, Washington Post, 5 May 2022 The germ warfare somehow didn’t affect women. David Fear, Rolling Stone, 5 Mar. 2021

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of germ warfare was in 1938

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Cite this Entry

“Germ warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/germ%20warfare. Accessed 3 Mar. 2025.

Medical Definition

germ warfare

noun
germ war·​fare -ˈwȯr-ˌfe(ə)r How to pronounce germ warfare (audio)
: the use of harmful microorganisms (as bacteria) as weapons in war

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