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
Most Ebola countermeasure work has focused on the Ebola virus, which has caused larger outbreaks than Bundibugyo and was also treated as a potential biological warfare threat.
—
Paul Adepoju, Scientific American, 14 June 2026
The acclaimed author of Nuclear War: A Scenario returns with an urgent new book, focused on the impacts of biological warfare.
—Carly Tagen-Dye, PEOPLE, 12 May 2026
In the games, the virus is used as a type of biological warfare that can mutate those exposed to it.
—Randall Colburn, Entertainment Weekly, 4 Feb. 2026
Set against escalating Arctic ambitions by Russia and China, the story follows a Finnish family of operatives navigating military conflict, biological warfare, and global espionage as geopolitical tensions reach breaking point.
—Max Goldbart, Deadline, 27 Jan. 2026
See All Example Sentences for biological warfare
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Paul Adepoju, Scientific American, 14 June 2026
The acclaimed author of Nuclear War: A Scenario returns with an urgent new book, focused on the impacts of biological warfare.
—Carly Tagen-Dye, PEOPLE, 12 May 2026
In the games, the virus is used as a type of biological warfare that can mutate those exposed to it.
—Randall Colburn, Entertainment Weekly, 4 Feb. 2026
Set against escalating Arctic ambitions by Russia and China, the story follows a Finnish family of operatives navigating military conflict, biological warfare, and global espionage as geopolitical tensions reach breaking point.
—Max Goldbart, Deadline, 27 Jan. 2026
See All Example Sentences for biological warfare
Cite this Entry
“Biological warfare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20warfare. Accessed 21 Jun. 2026.
Copy CitationMedical Definition
biological warfare
noun
biological war·fare
-ˈwȯr-ˌfa(ə)r, -ˌfe(ə)r 
: warfare involving the use of biological weapons
also
: warfare involving the use of herbicides
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