biological warfare


Definition of biological warfare

: 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 Sean Hannity accused President Biden and NATO of being imitated by Putin's threats of nuclear, chemical or biological warfare. Fox News, 23 Mar. 2022 The biological warfare claims show how pernicious disinformation can be: difficult to counter and highly consequential. Eric Smalley, The Conversation, 14 Mar. 2022 In 2002, when the country was still extremely concerned about terror attacks, President George W. Bush ordered 500,000 members of the military to get the smallpox vaccine in the off chance of a biological warfare terrorist attack. Zachary B. Wolf, CNN, 10 Sep. 2021 But this pandemic should be a stark reminder that the risk of biological warfare must be taken seriously, and preparations be made for an even worse-case scenario. Abraar Karan, STAT, 22 Aug. 2021 Chernow noted that British generals released infected civilians and captives towards American lines at the siege of Boston and at Yorktown in a ghoulish pre-industrial version of biological warfare. Matt Ford, The New Republic, 30 July 2021 In the biological warfare of pest control, there’s certainly more than one way to attack a mosquito, public health officials say. Robert Lee Hotz, WSJ, 31 May 2021 But at the same time, Langmuir was growing increasingly preoccupied by the threat of biological warfare. Megan Molteni, Wired, 13 May 2021 In 1972, the United States and the Soviet Union joined some 70 nations in signing an agreement banning biological warfare., 10 Apr. 2021 See More

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

First Known Use of biological warfare

1921, in the meaning defined above

Learn More About biological warfare

Time Traveler for biological warfare

Time Traveler

The first known use of biological warfare was in 1921

See more words from the same year

Dictionary Entries Near biological warfare

biological value

biological warfare

biological weapon

See More Nearby Entries 

Statistics for biological warfare

Last Updated

3 Apr 2022

Cite this Entry

“Biological warfare.” Dictionary, Merriam-Webster, Accessed 18 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for biological warfare

biological warfare

biological war·​fare | \ -ˈwȯr-ˌfa(ə)r, -ˌfe(ə)r How to pronounce biological warfare (audio) \

Medical Definition of biological warfare

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

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


Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!