countermeasure

noun

coun·​ter·​mea·​sure ˈkau̇n-tər-ˌme-zhər 

-ˌmā-

: 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

What To Know The U.K.'s military aid package for Ukraine includes £92 million ($116 million) allocated for equipment meant to bolster Ukraine's navy, comprising small boats, reconnaissance drones, uncrewed surface vessels, loitering munitions, and mine countermeasure drones. —Benedict Cosgrove, Newsweek, 19 Dec. 2024

The Department of Health and Human Services declaration that activated that immunity was specific to COVID-19 countermeasures — not all vaccines, Winnike said. —Katie Smith, Austin American-Statesman, 17 Dec. 2024

Expanding use of technical countermeasures and technologies to enhance the security of former and now President-elect Trump and his residence. —Sarah Rumpf-Whitten, Fox News, 5 Dec. 2024

The company is also involved with the vaunted Iron Dome and David's Sling countermeasures. —Colin Demarest, Axios, 30 Oct. 2024

Word History

First Known Use

1923, in the meaning defined above

Phrases Containing countermeasure

• counter-countermeasure
• electronic countermeasure

Kids Definition

countermeasure

noun

coun·​ter·​mea·​sure ˈkau̇nt-ər-ˌmezh-ər 

-ˌmāzh-

: an action or device designed to counteract another