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Synonyms

countermeasure

American  
[koun-ter-mezh-er] / ˈkaʊn tərˌmɛʒ ər /

noun

  1. an opposing, offsetting, or retaliatory measure.


countermeasure British  
/ ˈkaʊntəˌmɛʒə /

noun

  1. action taken to oppose, neutralize, or retaliate against some other action

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of countermeasure

First recorded in 1920–25; counter- + measure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Chaff, which has been used on military aircraft and warships since World War II, is a radar countermeasure usually made of tiny aluminum-coated glass fibers.

From The Wall Street Journal Jul. 22, 2026

A buffer zone in southern Lebanon would do little to eliminate that threat, Heller told AFP, "for which it doesn't seem like the Israelis have an effective countermeasure."

From Barron's Jun. 2, 2026

This countermeasure has the potential to counteract the effects of microgravity by pooling fluid back into the lower body.

From Science Daily Jun. 19, 2024

What's stopping schools from implementing this safe, effective and free countermeasure?

From Salon Jun. 25, 2023

One month later, as a countermeasure, the United States tried to send up its first test vehicle, named Vanguard.

From "Reaching for the Moon" by Katherine Johnson

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