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

But are the rare earth export controls part of China’s countermeasures to U.S. tariffs? —Evelyn Cheng, CNBC, 21 May 2025

Under these circumstances, seizing Russia’s sovereign assets is a legitimate countermeasure. —Wally Adeyemo, Foreign Affairs, 21 May 2025

China and Russia have already deployed offensive space systems capable of disabling or destroying U.S. satellites, which increases the urgency for defensive countermeasures. —Gabe Whisnant, MSNBC Newsweek, 20 May 2025

In our survey, 57.1% of users relied on 2FA as their only technical countermeasure against rug pulls – scams where project creators suddenly withdraw funds – and 49.3% did so for smart contract exploits. —Mingyi Liu, The Conversation, 8 May 2025

Word History

First Known Use

1923, in the meaning defined above

Phrases Containing countermeasure

• counter-countermeasure
• electronic countermeasure

Rhymes for countermeasure

• displeasure
• leisure
• measure
• pleasure
• treasure

Kids Definition

countermeasure

noun

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

-ˌmāzh-

: an action or device designed to counteract another