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

By tracking this data, experts could be alerted to any issues and possibly take countermeasures. Brigit Katz, Smithsonian, "A Huge Underwater Observatory Has Vanished Without a Trace," 6 Sep. 2019 Vaccines and other countermeasures are carefully developed in anticipation of disease outbreaks or bioterrorist attacks. Andrew Hessel, Ars Technica, "Printing vaccines at the pharmacy or at home will be the way of the future," 20 June 2019 The Spectra electronic warfare suite, which includes a laser warning receiver, radar warning receiver, missile warning system, and jammers lets the French pilots know when their aircraft is being targeted and can deploy appropriate countermeasures. Kyle Mizokami, Popular Mechanics, "The Dassault Rafale Fighter Jet Demands Your Attention," 20 Aug. 2019 Indeed, data and research are key to developing thoughtful and effective solutions and countermeasures. California Newspapers Partnership Editorial Boards, The Mercury News, "Editorial: We must put public safety before politics to save American lives," 11 Aug. 2019 The official and unofficial digital campaigns supporting Duterte and the opposition simply adapted to new rules and instituted countermeasures to avoid being flagged by fact-checkers or the platforms. Casey Newton, The Verge, "Why deplatforming 8chan can be effective," 8 Aug. 2019 Wixey suggests a number of countermeasures that could be incorporated into both device hardware and software to reduce the risk of acoustic attacks. Lily Hay Newman, WIRED, "Hackers Can Turn Everyday Speakers Into Acoustic Cyberweapons," 11 Aug. 2019 Voters instead supported a countermeasure intended to speed up executions. Sophia Bollag, The Mercury News, "Despite Newsom’s execution freeze, California’s costly ‘machinery of death’ grinds on," 24 July 2019 The presidents’ agreement temporarily defused a trade spat, triggered by Mr. Trump’s steel and aluminum tariffs on the EU and the bloc’s response with countermeasures on American exporters. Emre Peker, WSJ, "Ross Says Progress of Trade Talks With EU Is Unsatisfactory," 17 Oct. 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

13 Sep 2019

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Time Traveler for countermeasure

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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miscellaneous remnants or debris

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