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

The most effective countermeasure to combat jamming of the GPS signal is simply to eliminate the source of the interference, military analysts said. —Vladyslav Golovin, New York Times, 25 May 2024

According to experts, basic countermeasures—including changing default passwords and using multifactor authentication—can still provide substantial defense. —IEEE Spectrum, 21 May 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