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bioweapon

British  
/ ˈbaɪəʊˌwɛpən /

noun

  1. a living organism or a toxic product manufactured from it, used to kill or incapacitate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cole, on his podcast and social media, has discussed the theory that ticks carrying Lyme disease were used by the U.S. in bioweapon research during the Cold War.

From The Wall Street Journal • Jan. 11, 2026

These had been developed and stockpiled in the US and Europe, mostly in preparation for a potential bioweapon attack using a poxvirus.

From Salon • Aug. 16, 2024

Mr. Amodei, whose firm delves into AI safety and research, said AI systems appear two to three years away from filling in the gaps of bioweapon knowledge.

From Washington Times • Jul. 26, 2023

The social network’s owner on Monday hosted Kennedy, a vaccine skeptic seeking the Democratic presidential nomination, who pushed baseless claims such as the coronavirus being a bioweapon.

From New York Times • Jun. 6, 2023

An expert group last week recommended broadening rules that require universities and funding agencies to determine whether proposed studies count as dual-use research—work that carries the risk of intentionally or accidentally creating a bioweapon.

From Science Magazine • Jan. 30, 2023