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 For the majority of COVID-19 countermeasure claims, including COVID-19 vaccine claims, the CICP is still waiting for records and documentation to be submitted. Adam Andrzejewski, Forbes, 4 Nov. 2021 The irrational response—and the likely one—is to view the FOBS test as a senseless, ahistorical provocation that demands some new technological countermeasure. David Axe, Forbes, 18 Oct. 2021 In other words, a possible countermeasure to the Chinese navy’s steadily-growing fleet of flattops. David Axe, Forbes, 10 Sep. 2021 As an effective countermeasure, however, the novel coronavirus has its own proteins that prevent interferons from being produced. Lars Fischer, Scientific American, 26 Aug. 2021 As Cuba’s authoritarian government clamps down on Internet access, a handful of U.S. lawmakers are pointing to a possible countermeasure to keep protesters online: sending high-tech balloons that operate as makeshift cell towers for the island. Washington Post, 22 July 2021 Chalk has been the countermeasure to sweat since the heyday of dirtbaggers. Julie Jag, The Salt Lake Tribune, 23 July 2021 As a countermeasure, they must be held to higher standards than the average member of society. Luther Ray Abel, National Review, 17 July 2021 The Su-57 also boasts directional infrared countermeasure systems that use laser turrets to blind incoming infrared missiles, and the fighter jet was designed with robust enough landing gear to utilize austere and poorly developed airfields. Alex Hollings, Popular Mechanics, 6 Dec. 2020

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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The first known use of countermeasure was in 1923

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Last Updated

26 Nov 2021

Cite this Entry

“Countermeasure.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2021.

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More Definitions for countermeasure



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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