coun·​ter·​mea·​sure | \ ˈkau̇n-tər-ˌme-zhər How to pronounce countermeasure (audio) , -ˌmā-\

Definition of countermeasure

: an action or device designed to negate or offset another The most well-known countermeasure by a physician is a malicious-persecution suit against the lawyer who sued him and failed to prove a case.— William J. Curran The Germans had developed a tricky magnetic mine, but the British had developed a countermeasure for this even before the mine was used.— Bernard Brodie and Fawn M. Brodie especially : electronic countermeasure

Examples of countermeasure in a Sentence

Recent Examples on the Web

More tariffs certainly wouldn’t help, and the U.S. economy would feel the impact of Chinese countermeasures. Thomas J. Duesterberg, WSJ, "The Deal America and China Need," 26 Nov. 2018 The researchers outline a variety of countermeasures. Dan Goodin, Ars Technica, "A $225 GPS spoofer can send sat-nav-guided vehicles into oncoming traffic *," 18 July 2018 On Sunday, Japanese Prime Minister Shinzo Abe said Tokyo might consider countermeasures against Seoul if Japanese companies suffer damages. Alastair Gale, WSJ, "Forced-Labor Dispute Strains Japan-South Korea Relations," 12 Jan. 2019 Anticipating the decision, some leaders have sought countermeasures. New York Times, "What the Supreme Court’s Janus Decision Means for Teacher Unions," 27 June 2018 Often the North has reacted to the exercises with its own demonstrations of military might, including firing a new intermediate-range missile over Japan last year as a countermeasure to the drills. Lolita C. Baldor, Fox News, "Trump says Korea military drills could be restarted," 30 Aug. 2018 Still, a number of more sophisticated and potentially safer countermeasures are available. Russell Brandom, The Verge, "The Army is buying microwave cannons to take down drones in mid-flight," 7 Aug. 2018 Sutton proposes several countermeasures to halt Poseidon dead in its tracks. Kyle Mizokami, Popular Mechanics, "How Can We Stop Russia’s Apocalypse Nuke Torpedo?," 16 Aug. 2018 May said more countermeasures were being considered. Author: William Booth, Matthew Bodner, Anchorage Daily News, "Britain to expel 23 Russian diplomats in nerve agent case and will block all high-level contacts with Moscow," 14 Mar. 2018

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

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First Known Use of countermeasure

1923, in the meaning defined above

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Last Updated

12 Apr 2019

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The first known use of countermeasure was in 1923

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English Language Learners Definition of countermeasure

: an action or device that is intended to stop or prevent something bad or dangerous

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Comments on countermeasure

What made you want to look up countermeasure? Please tell us where you read or heard it (including the quote, if possible).


not to be persuaded, moved, or stopped

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